162879885504 has 420 divisors, whose sum is σ = 581049627840. Its totient is φ = 44930350080.

The previous prime is 162879885491. The next prime is 162879885523. The reversal of 162879885504 is 405588978261.

162879885504 is a `hidden beast` number, since 1 + 6 + 2 + 8 + 79 + 8 + 8 + 550 + 4 = 666.

It is a super-2 number, since 2×162879885504² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7355409 + ... + 7377519.

Almost surely, 2^162879885504 is an apocalyptic number.

162879885504 is a gapful number since it is divisible by the number (14) 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 162879885504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290524813920).

162879885504 is an abundant number, since it is smaller than the sum of its proper divisors (418169742336).

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

162879885504 is a wasteful number, since it uses less digits than its factorization.

162879885504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22178 (or 22152 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 63.

The spelling of 162879885504 in words is "one hundred sixty-two billion, eight hundred seventy-nine million, eight hundred eighty-five thousand, five hundred four".