3956816623210 has 128 divisors (see below), whose sum is σ = 8107539111936. Its totient is φ = 1377324000000.

The previous prime is 3956816623091. The next prime is 3956816623217. The reversal of 3956816623210 is 123266186593.

It is a super-2 number, since 2×3956816623210² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3956816623217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 403299205 + ... + 403309015.

It is an arithmetic number, because the mean of its divisors is an integer number (63340149312).

Almost surely, 2^{3956816623210} is an apocalyptic number.

3956816623210 is an abundant number, since it is smaller than the sum of its proper divisors (4150722488726).

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

3956816623210 is a wasteful number, since it uses less digits than its factorization.

3956816623210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 3956816623210 in words is "three trillion, nine hundred fifty-six billion, eight hundred sixteen million, six hundred twenty-three thousand, two hundred ten".