162166564 has 24 divisors (see below), whose sum is σ = 324632448. Its totient is φ = 69435840.

The previous prime is 162166561. The next prime is 162166573. The reversal of 162166564 is 465661261.

162166564 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 (162166561) 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, 40392 + ... + 44224.

It is an arithmetic number, because the mean of its divisors is an integer number (13526352).

Almost surely, 2^162166564 is an apocalyptic number.

162166564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

162166564 is an abundant number, since it is smaller than the sum of its proper divisors (162465884).

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

162166564 is a wasteful number, since it uses less digits than its factorization.

162166564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5355 (or 5353 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 162166564 is about 12734.4636322069. The cubic root of 162166564 is about 545.3229452585.

The spelling of 162166564 in words is "one hundred sixty-two million, one hundred sixty-six thousand, five hundred sixty-four".