16311472 has 10 divisors (see below), whose sum is σ = 31603508. Its totient is φ = 8155728.

The previous prime is 16311467. The next prime is 16311509. The reversal of 16311472 is 27411361.

16311472 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 as a sum of consecutive naturals, namely, 509718 + ... + 509749.

Almost surely, 2^16311472 is an apocalyptic number.

It is an amenable number.

16311472 is a deficient number, since it is larger than the sum of its proper divisors (15292036).

16311472 is a wasteful number, since it uses less digits than its factorization.

16311472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019475 (or 1019469 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 16311472 is about 4038.7463401407. The cubic root of 16311472 is about 253.6088384703.

The spelling of 16311472 in words is "sixteen million, three hundred eleven thousand, four hundred seventy-two".