16431334051 has 8 divisors (see below), whose sum is σ = 18002026224. Its totient is φ = 14873464320.

The previous prime is 16431334043. The next prime is 16431334069. The reversal of 16431334051 is 15043313461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16431334051 - 2³ = 16431334043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16431334081) 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, 3202926 + ... + 3208051.

It is an arithmetic number, because the mean of its divisors is an integer number (2250253278).

Almost surely, 2^16431334051 is an apocalyptic number.

16431334051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16431334051 is a deficient number, since it is larger than the sum of its proper divisors (1570692173).

16431334051 is a wasteful number, since it uses less digits than its factorization.

16431334051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6411221.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 16431334051 in words is "sixteen billion, four hundred thirty-one million, three hundred thirty-four thousand, fifty-one".