396599764164 has 96 divisors (see below), whose sum is σ = 990007474176. Its totient is φ = 123134077440.

The previous prime is 396599764151. The next prime is 396599764177. The reversal of 396599764164 is 461467995693.

It is an interprime number because it is at equal distance from previous prime (396599764151) and next prime (396599764177).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22495857 + ... + 22513479.

It is an arithmetic number, because the mean of its divisors is an integer number (10312577856).

Almost surely, 2^396599764164 is an apocalyptic number.

396599764164 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396599764164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495003737088).

396599764164 is an abundant number, since it is smaller than the sum of its proper divisors (593407710012).

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

396599764164 is a wasteful number, since it uses less digits than its factorization.

396599764164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18785 (or 18783 counting only the distinct ones).

The product of its digits is 264539520, while the sum is 69.

The spelling of 396599764164 in words is "three hundred ninety-six billion, five hundred ninety-nine million, seven hundred sixty-four thousand, one hundred sixty-four".