162740664 has 40 divisors (see below), whose sum is σ = 455826360. Its totient is φ = 54246672.

The previous prime is 162740659. The next prime is 162740693. The reversal of 162740664 is 466047261.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 124924 + ... + 126219.

It is an arithmetic number, because the mean of its divisors is an integer number (11395659).

Almost surely, 2^162740664 is an apocalyptic number.

It is an amenable number.

162740664 is an abundant number, since it is smaller than the sum of its proper divisors (293085696).

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

162740664 is a wasteful number, since it uses less digits than its factorization.

162740664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251161 (or 251148 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 162740664 is about 12756.9849102364. The cubic root of 162740664 is about 545.9657024707.

The spelling of 162740664 in words is "one hundred sixty-two million, seven hundred forty thousand, six hundred sixty-four".