162815405550 has 48 divisors (see below), whose sum is σ = 461465380992. Its totient is φ = 37214949600.

The previous prime is 162815405539. The next prime is 162815405581. The reversal of 162815405550 is 55504518261.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77530096 + ... + 77532195.

It is an arithmetic number, because the mean of its divisors is an integer number (9613862104).

Almost surely, 2^162815405550 is an apocalyptic number.

162815405550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

162815405550 is an abundant number, since it is smaller than the sum of its proper divisors (298649975442).

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

162815405550 is a wasteful number, since it uses less digits than its factorization.

162815405550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155062313 (or 155062308 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 42.

The spelling of 162815405550 in words is "one hundred sixty-two billion, eight hundred fifteen million, four hundred five thousand, five hundred fifty".