16432561575432 has 24 divisors (see below), whose sum is σ = 44504854266990. Its totient is φ = 5477520525120.

The previous prime is 16432561575373. The next prime is 16432561575439. The reversal of 16432561575432 is 23457516523461.

16432561575432 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 2 + 5 + 61 + 575 + 4 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8343235833156 + 8089325742276 = 2888466^2 + 2844174^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (16432561575439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114115010869 + ... + 114115011012.

Almost surely, 2^{16432561575432} is an apocalyptic number.

16432561575432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16432561575432 is an abundant number, since it is smaller than the sum of its proper divisors (28072292691558).

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

16432561575432 is a wasteful number, since it uses less digits than its factorization.

16432561575432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228230021893 (or 228230021886 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 54.

The spelling of 16432561575432 in words is "sixteen trillion, four hundred thirty-two billion, five hundred sixty-one million, five hundred seventy-five thousand, four hundred thirty-two".