16163003855432 has 64 divisors (see below), whose sum is σ = 34868606899200. Its totient is φ = 6880293057600.

The previous prime is 16163003855431. The next prime is 16163003855473. The reversal of 16163003855432 is 23455830036161.

16163003855432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16163003855432² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16163003855431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72297119 + ... + 72520337.

It is an arithmetic number, because the mean of its divisors is an integer number (544821982800).

Almost surely, 2^{16163003855432} is an apocalyptic number.

It is an amenable number.

16163003855432 is an abundant number, since it is smaller than the sum of its proper divisors (18705603043768).

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

16163003855432 is a wasteful number, since it uses less digits than its factorization.

16163003855432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231946 (or 231942 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 16163003855432 in words is "sixteen trillion, one hundred sixty-three billion, three million, eight hundred fifty-five thousand, four hundred thirty-two".