162320378 has 16 divisors (see below), whose sum is σ = 268197696. Its totient is φ = 73064640.

The previous prime is 162320359. The next prime is 162320381. The reversal of 162320378 is 873023261.

It is a happy number.

It is a super-2 number, since 2×162320378² = 52695810228125768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33551 + ... + 38082.

It is an arithmetic number, because the mean of its divisors is an integer number (16762356).

Almost surely, 2^162320378 is an apocalyptic number.

162320378 is a deficient number, since it is larger than the sum of its proper divisors (105877318).

162320378 is a wasteful number, since it uses less digits than its factorization.

162320378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71749.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 162320378 is about 12740.5014814959. The cubic root of 162320378 is about 545.4953026094.

The spelling of 162320378 in words is "one hundred sixty-two million, three hundred twenty thousand, three hundred seventy-eight".