16431232530164 has 48 divisors (see below), whose sum is σ = 29856363546240. Its totient is φ = 7906607009280.

The previous prime is 16431232530131. The next prime is 16431232530173. The reversal of 16431232530164 is 46103523213461.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19230992 + ... + 20067224.

It is an arithmetic number, because the mean of its divisors is an integer number (622007573880).

Almost surely, 2^{16431232530164} is an apocalyptic number.

It is an amenable number.

16431232530164 is a deficient number, since it is larger than the sum of its proper divisors (13425131016076).

16431232530164 is a wasteful number, since it uses less digits than its factorization.

16431232530164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837960 (or 837958 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 16431232530164 in words is "sixteen trillion, four hundred thirty-one billion, two hundred thirty-two million, five hundred thirty thousand, one hundred sixty-four".