16311964 has 12 divisors (see below), whose sum is σ = 29210104. Its totient is φ = 7966224.

The previous prime is 16311943. The next prime is 16312001. The reversal of 16311964 is 46911361.

It is a congruent number.

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, 47247 + ... + 47590.

Almost surely, 2^16311964 is an apocalyptic number.

It is an amenable number.

16311964 is a deficient number, since it is larger than the sum of its proper divisors (12898140).

16311964 is a wasteful number, since it uses less digits than its factorization.

16311964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94884 (or 94882 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 16311964 is about 4038.8072496716. The cubic root of 16311964 is about 253.6113882973.

The spelling of 16311964 in words is "sixteen million, three hundred eleven thousand, nine hundred sixty-four".