102404156656 has 40 divisors (see below), whose sum is σ = 199035586800. Its totient is φ = 51040281600.

The previous prime is 102404156627. The next prime is 102404156669. The reversal of 102404156656 is 656651404201.

It is a super-2 number, since 2×102404156656² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16982250 + ... + 16988278.

It is an arithmetic number, because the mean of its divisors is an integer number (4975889670).

Almost surely, 2^102404156656 is an apocalyptic number.

102404156656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102404156656 is a deficient number, since it is larger than the sum of its proper divisors (96631430144).

102404156656 is a wasteful number, since it uses less digits than its factorization.

102404156656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9217 (or 9211 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 102404156656 in words is "one hundred two billion, four hundred four million, one hundred fifty-six thousand, six hundred fifty-six".