162974185920 has 896 divisors, whose sum is σ = 721149972480. Its totient is φ = 33728348160.

The previous prime is 162974185897. The next prime is 162974185939. The reversal of 162974185920 is 29581479261.

It is a happy number.

162974185920 is a `hidden beast` number, since 1 + 6 + 2 + 9 + 7 + 41 + 8 + 592 + 0 = 666.

162974185920 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 41668765 + ... + 41672675.

It is an arithmetic number, because the mean of its divisors is an integer number (804854880).

Almost surely, 2^162974185920 is an apocalyptic number.

162974185920 is a gapful number since it is divisible by the number (10) 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 162974185920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360574986240).

162974185920 is an abundant number, since it is smaller than the sum of its proper divisors (558175786560).

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

162974185920 is a wasteful number, since it uses less digits than its factorization.

162974185920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010 (or 3994 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 162974185920 in words is "one hundred sixty-two billion, nine hundred seventy-four million, one hundred eighty-five thousand, nine hundred twenty".