162558009380 has 48 divisors (see below), whose sum is σ = 369209144304. Its totient is φ = 59763793920.

The previous prime is 162558009353. The next prime is 162558009421. The reversal of 162558009380 is 83900855261.

It can be written as a sum of positive squares in 8 ways, for example, as 33873666304 + 128684343076 = 184048^2 + 358726^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1281101 + ... + 1402260.

It is an arithmetic number, because the mean of its divisors is an integer number (7691857173).

Almost surely, 2^162558009380 is an apocalyptic number.

162558009380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162558009380 is an abundant number, since it is smaller than the sum of its proper divisors (206651134924).

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

162558009380 is a wasteful number, since it uses less digits than its factorization.

162558009380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683616 (or 2683614 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 162558009380 in words is "one hundred sixty-two billion, five hundred fifty-eight million, nine thousand, three hundred eighty".