16311962328 has 32 divisors (see below), whose sum is σ = 40925046960. Its totient is φ = 5417968640.

The previous prime is 16311962297. The next prime is 16311962351. The reversal of 16311962328 is 82326911361.

It is a super-2 number, since 2×16311962328² (a number of 21 digits) contains 22 as substring.

It is a Sastry number since concatenated with its successor gives a square.

It is a self number, because there is not a number n which added to its sum of digits gives 16311962328.

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, 1202625 + ... + 1216112.

Almost surely, 2^16311962328 is an apocalyptic number.

It is an amenable number.

16311962328 is an abundant number, since it is smaller than the sum of its proper divisors (24613084632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16311962328 is a wasteful number, since it uses less digits than its factorization.

16311962328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419027 (or 2419023 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The spelling of 16311962328 in words is "sixteen billion, three hundred eleven million, nine hundred sixty-two thousand, three hundred twenty-eight".