162138893530 has 16 divisors (see below), whose sum is σ = 304539139584. Its totient is φ = 62035750480.

The previous prime is 162138893471. The next prime is 162138893533. The reversal of 162138893530 is 35398831261.

It is not an unprimeable number, because it can be changed into a prime (162138893533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352475626 + ... + 352476085.

It is an arithmetic number, because the mean of its divisors is an integer number (19033696224).

Almost surely, 2^162138893530 is an apocalyptic number.

162138893530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

162138893530 is a deficient number, since it is larger than the sum of its proper divisors (142400246054).

162138893530 is a wasteful number, since it uses less digits than its factorization.

162138893530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704951741.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 162138893530 in words is "one hundred sixty-two billion, one hundred thirty-eight million, eight hundred ninety-three thousand, five hundred thirty".