189363507656 has 32 divisors (see below), whose sum is σ = 358919748000. Its totient is φ = 93654266496.

The previous prime is 189363507649. The next prime is 189363507713. The reversal of 189363507656 is 656705363981.

It is a super-2 number, since 2×189363507656² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189363507595 and 189363507604.

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, 396260 + ... + 731948.

It is an arithmetic number, because the mean of its divisors is an integer number (11216242125).

Almost surely, 2^189363507656 is an apocalyptic number.

It is an amenable number.

189363507656 is a deficient number, since it is larger than the sum of its proper divisors (169556240344).

189363507656 is a wasteful number, since it uses less digits than its factorization.

189363507656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336461 (or 336457 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 59.

The spelling of 189363507656 in words is "one hundred eighty-nine billion, three hundred sixty-three million, five hundred seven thousand, six hundred fifty-six".