162086638 has 16 divisors (see below), whose sum is σ = 282419424. Its totient is φ = 68326560.

The previous prime is 162086627. The next prime is 162086689. The reversal of 162086638 is 836680261.

It is a self number, because there is not a number n which added to its sum of digits gives 162086638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94045 + ... + 95752.

It is an arithmetic number, because the mean of its divisors is an integer number (17651214).

Almost surely, 2^162086638 is an apocalyptic number.

162086638 is a deficient number, since it is larger than the sum of its proper divisors (120332786).

162086638 is a wasteful number, since it uses less digits than its factorization.

162086638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189867.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 162086638 is about 12731.3250685072. The cubic root of 162086638 is about 545.2333405887.

The spelling of 162086638 in words is "one hundred sixty-two million, eighty-six thousand, six hundred thirty-eight".