32161663040056 has 32 divisors (see below), whose sum is σ = 69654938672880. Its totient is φ = 13759000230400.

The previous prime is 32161663039991. The next prime is 32161663040069. The reversal of 32161663040056 is 65004036616123.

It is a junction number, because it is equal to n+sod(n) for n = 32161663039994 and 32161663040021.

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, 10749217435 + ... + 10749220426.

Almost surely, 2^{32161663040056} is an apocalyptic number.

It is an amenable number.

32161663040056 is an abundant number, since it is smaller than the sum of its proper divisors (37493275632824).

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

32161663040056 is a wasteful number, since it uses less digits than its factorization.

32161663040056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21498437895 (or 21498437891 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

Adding to 32161663040056 its reverse (65004036616123), we get a palindrome (97165699656179).

The spelling of 32161663040056 in words is "thirty-two trillion, one hundred sixty-one billion, six hundred sixty-three million, forty thousand, fifty-six".