162885913979820 has 24 divisors (see below), whose sum is σ = 456080559143664. Its totient is φ = 43436243727936.

The previous prime is 162885913979819. The next prime is 162885913979947. The reversal of 162885913979820 is 28979319588261.

It is a super-2 number, since 2×162885913979820² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1357382616439 + ... + 1357382616558.

It is an arithmetic number, because the mean of its divisors is an integer number (19003356630986).

Almost surely, 2^{162885913979820} is an apocalyptic number.

162885913979820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162885913979820 is an abundant number, since it is smaller than the sum of its proper divisors (293194645163844).

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

162885913979820 is a wasteful number, since it uses less digits than its factorization.

162885913979820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714765233009 (or 2714765233007 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 78.

The spelling of 162885913979820 in words is "one hundred sixty-two trillion, eight hundred eighty-five billion, nine hundred thirteen million, nine hundred seventy-nine thousand, eight hundred twenty".