163387065 has 16 divisors (see below), whose sum is σ = 262369728. Its totient is φ = 86822976.

The previous prime is 163387033. The next prime is 163387111. The reversal of 163387065 is 560783361.

It is not a de Polignac number, because 163387065 - 2⁵ = 163387033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15507 + ... + 23816.

It is an arithmetic number, because the mean of its divisors is an integer number (16398108).

Almost surely, 2^163387065 is an apocalyptic number.

163387065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163387065 is a deficient number, since it is larger than the sum of its proper divisors (98982663).

163387065 is a wasteful number, since it uses less digits than its factorization.

163387065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39608.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 163387065 is about 12782.2949817316. The cubic root of 163387065 is about 546.6876006178.

The spelling of 163387065 in words is "one hundred sixty-three million, three hundred eighty-seven thousand, sixty-five".