16431232530166 has 16 divisors (see below), whose sum is σ = 25958377287360. Its totient is φ = 7778917631880.

The previous prime is 16431232530131. The next prime is 16431232530173. The reversal of 16431232530166 is 66103523213461.

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, 119312976 + ... + 119450611.

It is an arithmetic number, because the mean of its divisors is an integer number (1622398580460).

Almost surely, 2^{16431232530166} is an apocalyptic number.

16431232530166 is a deficient number, since it is larger than the sum of its proper divisors (9527144757194).

16431232530166 is a wasteful number, since it uses less digits than its factorization.

16431232530166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238765419.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 16431232530166 in words is "sixteen trillion, four hundred thirty-one billion, two hundred thirty-two million, five hundred thirty thousand, one hundred sixty-six".