162273868 has 6 divisors (see below), whose sum is σ = 283979276. Its totient is φ = 81136932.

The previous prime is 162273841. The next prime is 162273887. The reversal of 162273868 is 868372261.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20284230 + ... + 20284237.

Almost surely, 2^162273868 is an apocalyptic number.

It is an amenable number.

162273868 is a deficient number, since it is larger than the sum of its proper divisors (121705408).

162273868 is a wasteful number, since it uses less digits than its factorization.

162273868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40568471 (or 40568469 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 162273868 is about 12738.6760693567. The cubic root of 162273868 is about 545.4431969928.

The spelling of 162273868 in words is "one hundred sixty-two million, two hundred seventy-three thousand, eight hundred sixty-eight".