162740868 has 12 divisors (see below), whose sum is σ = 379728720. Its totient is φ = 54246952.

The previous prime is 162740761. The next prime is 162740887. The reversal of 162740868 is 868047261.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6780858 + ... + 6780881.

It is an arithmetic number, because the mean of its divisors is an integer number (31644060).

Almost surely, 2^162740868 is an apocalyptic number.

It is an amenable number.

162740868 is an abundant number, since it is smaller than the sum of its proper divisors (216987852).

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

162740868 is a wasteful number, since it uses less digits than its factorization.

162740868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13561746 (or 13561744 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 162740868 is about 12756.9929058536. The cubic root of 162740868 is about 545.9659305984.

The spelling of 162740868 in words is "one hundred sixty-two million, seven hundred forty thousand, eight hundred sixty-eight".