162865030820 has 12 divisors (see below), whose sum is σ = 342016564764. Its totient is φ = 65146012320.

The previous prime is 162865030789. The next prime is 162865030829. The reversal of 162865030820 is 28030568261.

It can be written as a sum of positive squares in 2 ways, for example, as 60768166144 + 102096864676 = 246512^2 + 319526^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (162865030829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4071625751 + ... + 4071625790.

It is an arithmetic number, because the mean of its divisors is an integer number (28501380397).

Almost surely, 2^162865030820 is an apocalyptic number.

162865030820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162865030820 is an abundant number, since it is smaller than the sum of its proper divisors (179151533944).

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

162865030820 is a wasteful number, since it uses less digits than its factorization.

162865030820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143251550 (or 8143251548 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 162865030820 in words is "one hundred sixty-two billion, eight hundred sixty-five million, thirty thousand, eight hundred twenty".