869597416656 has 60 divisors (see below), whose sum is σ = 2523800744192. Its totient is φ = 289865804256.

The previous prime is 869597416651. The next prime is 869597416657. The reversal of 869597416656 is 656614795968.

869597416656 is a `hidden beast` number, since 8 + 69 + 5 + 97 + 416 + 65 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869597416651) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 111827056 + ... + 111834831.

Almost surely, 2^869597416656 is an apocalyptic number.

It is an amenable number.

869597416656 is an abundant number, since it is smaller than the sum of its proper divisors (1654203327536).

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

869597416656 is a wasteful number, since it uses less digits than its factorization.

869597416656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223661910 (or 223661892 counting only the distinct ones).

The product of its digits is 587865600, while the sum is 72.

The spelling of 869597416656 in words is "eight hundred sixty-nine billion, five hundred ninety-seven million, four hundred sixteen thousand, six hundred fifty-six".