3566499503616 has 640 divisors, whose sum is σ = 13215654144000. Its totient is φ = 925975314432.

The previous prime is 3566499503579. The next prime is 3566499503617. The reversal of 3566499503616 is 6163059946653.

It is a happy number.

3566499503616 is a `hidden beast` number, since 3 + 5 + 6 + 6 + 4 + 9 + 9 + 5 + 0 + 3 + 616 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3566499503617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47669245 + ... + 47744003.

It is an arithmetic number, because the mean of its divisors is an integer number (20649459600).

Almost surely, 2^{3566499503616} is an apocalyptic number.

3566499503616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3566499503616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6607827072000).

3566499503616 is an abundant number, since it is smaller than the sum of its proper divisors (9649154640384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3566499503616 is a wasteful number, since it uses less digits than its factorization.

3566499503616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74839 (or 74817 counting only the distinct ones).

The product of its (nonzero) digits is 94478400, while the sum is 63.

The spelling of 3566499503616 in words is "three trillion, five hundred sixty-six billion, four hundred ninety-nine million, five hundred three thousand, six hundred sixteen".