3916664023657 has 32 divisors (see below), whose sum is σ = 5096311640064. Its totient is φ = 2918743502400.

The previous prime is 3916664023639. The next prime is 3916664023733. The reversal of 3916664023657 is 7563204666193.

It is a happy number.

It is not a de Polignac number, because 3916664023657 - 2³⁵ = 3882304285289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3916664023607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10119028 + ... + 10498954.

It is an arithmetic number, because the mean of its divisors is an integer number (159259738752).

Almost surely, 2^{3916664023657} is an apocalyptic number.

It is an amenable number.

3916664023657 is a deficient number, since it is larger than the sum of its proper divisors (1179647616407).

3916664023657 is a wasteful number, since it uses less digits than its factorization.

3916664023657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385789.

The product of its (nonzero) digits is 29393280, while the sum is 58.

The spelling of 3916664023657 in words is "three trillion, nine hundred sixteen billion, six hundred sixty-four million, twenty-three thousand, six hundred fifty-seven".