32165445565432 has 32 divisors (see below), whose sum is σ = 61211018545920. Its totient is φ = 15842512429920.

The previous prime is 32165445565423. The next prime is 32165445565457. The reversal of 32165445565432 is 23456554456123.

It is a super-2 number, since 2×32165445565432² (a number of 28 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, 60478507 + ... + 61008037.

It is an arithmetic number, because the mean of its divisors is an integer number (1912844329560).

Almost surely, 2^{32165445565432} is an apocalyptic number.

It is an amenable number.

32165445565432 is a deficient number, since it is larger than the sum of its proper divisors (29045572980488).

32165445565432 is a wasteful number, since it uses less digits than its factorization.

32165445565432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642931 (or 642927 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 55.

The spelling of 32165445565432 in words is "thirty-two trillion, one hundred sixty-five billion, four hundred forty-five million, five hundred sixty-five thousand, four hundred thirty-two".