396161694396 has 120 divisors (see below), whose sum is σ = 1120973736960. Its totient is φ = 121276891008.

The previous prime is 396161694373. The next prime is 396161694421. The reversal of 396161694396 is 693496161693.

396161694396 is a `hidden beast` number, since 3 + 9 + 6 + 1 + 616 + 9 + 4 + 3 + 9 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 591045 + ... + 1068483.

It is an arithmetic number, because the mean of its divisors is an integer number (9341447808).

Almost surely, 2^396161694396 is an apocalyptic number.

396161694396 is a gapful number since it is divisible by the number (36) 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 396161694396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560486868480).

396161694396 is an abundant number, since it is smaller than the sum of its proper divisors (724812042564).

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

396161694396 is a wasteful number, since it uses less digits than its factorization.

396161694396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477665 (or 477654 counting only the distinct ones).

The product of its digits is 34012224, while the sum is 63.

The spelling of 396161694396 in words is "three hundred ninety-six billion, one hundred sixty-one million, six hundred ninety-four thousand, three hundred ninety-six".