3156216745 has 32 divisors (see below), whose sum is σ = 4334321664. Its totient is φ = 2183966400.

The previous prime is 3156216737. The next prime is 3156216757. The reversal of 3156216745 is 5476126513.

It is not a de Polignac number, because 3156216745 - 2³ = 3156216737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3156216698 and 3156216707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235084 + ... + 248146.

It is an arithmetic number, because the mean of its divisors is an integer number (135447552).

Almost surely, 2^3156216745 is an apocalyptic number.

It is an amenable number.

3156216745 is a deficient number, since it is larger than the sum of its proper divisors (1178104919).

3156216745 is a wasteful number, since it uses less digits than its factorization.

3156216745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13293.

The product of its digits is 151200, while the sum is 40.

The square root of 3156216745 is about 56180.2166692155. The cubic root of 3156216745 is about 1466.8609253427.

The spelling of 3156216745 in words is "three billion, one hundred fifty-six million, two hundred sixteen thousand, seven hundred forty-five".