10015565616 has 120 divisors (see below), whose sum is σ = 32351408544. Its totient is φ = 2833228800.

The previous prime is 10015565587. The next prime is 10015565641. The reversal of 10015565616 is 61656551001.

10015565616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52620 + ... + 150996.

Almost surely, 2^10015565616 is an apocalyptic number.

10015565616 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 10015565616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16175704272).

10015565616 is an abundant number, since it is smaller than the sum of its proper divisors (22335842928).

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

10015565616 is a wasteful number, since it uses less digits than its factorization.

10015565616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98499 (or 98490 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 10015565616 in words is "ten billion, fifteen million, five hundred sixty-five thousand, six hundred sixteen".