16431368 has 16 divisors (see below), whose sum is σ = 31200000. Its totient is φ = 8111376.

The previous prime is 16431343. The next prime is 16431377. The reversal of 16431368 is 86313461.

16431368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12368 + ... + 13631.

It is an arithmetic number, because the mean of its divisors is an integer number (1950000).

Almost surely, 2^16431368 is an apocalyptic number.

It is an amenable number.

16431368 is a deficient number, since it is larger than the sum of its proper divisors (14768632).

16431368 is a wasteful number, since it uses less digits than its factorization.

16431368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26084 (or 26080 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 16431368 is about 4053.5623838791. The cubic root of 16431368 is about 254.2286984787.

The spelling of 16431368 in words is "sixteen million, four hundred thirty-one thousand, three hundred sixty-eight".