1582664780496 has 80 divisors (see below), whose sum is σ = 4168209217536. Its totient is φ = 517288432128.

The previous prime is 1582664780447. The next prime is 1582664780497. The reversal of 1582664780496 is 6940874662851.

It is a super-3 number, since 3×1582664780496³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1582664780497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4043626 + ... + 4417718.

Almost surely, 2^{1582664780496} is an apocalyptic number.

1582664780496 is a gapful number since it is divisible by the number (16) 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 1582664780496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2084104608768).

1582664780496 is an abundant number, since it is smaller than the sum of its proper divisors (2585544437040).

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

1582664780496 is a wasteful number, since it uses less digits than its factorization.

1582664780496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375820 (or 375814 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 66.

The spelling of 1582664780496 in words is "one trillion, five hundred eighty-two billion, six hundred sixty-four million, seven hundred eighty thousand, four hundred ninety-six".