162161562 has 64 divisors (see below), whose sum is σ = 348364800. Its totient is φ = 50232000.

The previous prime is 162161551. The next prime is 162161563. The reversal of 162161562 is 265161261.

162161562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (162161563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 645937 + ... + 646187.

It is an arithmetic number, because the mean of its divisors is an integer number (5443200).

Almost surely, 2^162161562 is an apocalyptic number.

162161562 is an abundant number, since it is smaller than the sum of its proper divisors (186203238).

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

162161562 is a wasteful number, since it uses less digits than its factorization.

162161562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411.

The product of its digits is 4320, while the sum is 30.

The square root of 162161562 is about 12734.2672345133. The cubic root of 162161562 is about 545.3173384031.

The spelling of 162161562 in words is "one hundred sixty-two million, one hundred sixty-one thousand, five hundred sixty-two".