16023564453432 has 32 divisors (see below), whose sum is σ = 40074265414800. Its totient is φ = 5339140913664.

The previous prime is 16023564453389. The next prime is 16023564453433. The reversal of 16023564453432 is 23435446532061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16023564453433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127888423 + ... + 128013654.

Almost surely, 2^{16023564453432} is an apocalyptic number.

16023564453432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16023564453432 is an abundant number, since it is smaller than the sum of its proper divisors (24050700961368).

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

16023564453432 is a wasteful number, since it uses less digits than its factorization.

16023564453432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255904695 (or 255904691 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 48.

The spelling of 16023564453432 in words is "sixteen trillion, twenty-three billion, five hundred sixty-four million, four hundred fifty-three thousand, four hundred thirty-two".