3216404051 has 12 divisors (see below), whose sum is σ = 3749638752. Its totient is φ = 2750943888.

The previous prime is 3216404047. The next prime is 3216404053. The reversal of 3216404051 is 1504046123.

It is not a de Polignac number, because 3216404051 - 2² = 3216404047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3216404051.

It is not an unprimeable number, because it can be changed into a prime (3216404053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48200 + ... + 93573.

It is an arithmetic number, because the mean of its divisors is an integer number (312469896).

Almost surely, 2^3216404051 is an apocalyptic number.

3216404051 is a deficient number, since it is larger than the sum of its proper divisors (533234701).

3216404051 is a wasteful number, since it uses less digits than its factorization.

3216404051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142250 (or 142243 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 3216404051 is about 56713.3498481619. The cubic root of 3216404051 is about 1476.1263523062.

The spelling of 3216404051 in words is "three billion, two hundred sixteen million, four hundred four thousand, fifty-one".