162161703 has 32 divisors (see below), whose sum is σ = 267678720. Its totient is φ = 96180480.

The previous prime is 162161687. The next prime is 162161711. The reversal of 162161703 is 307161261.

It is not a de Polignac number, because 162161703 - 2⁴ = 162161687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162161743) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 8151 + ... + 19767.

It is an arithmetic number, because the mean of its divisors is an integer number (8364960).

Almost surely, 2^162161703 is an apocalyptic number.

162161703 is a deficient number, since it is larger than the sum of its proper divisors (105517017).

162161703 is a wasteful number, since it uses less digits than its factorization.

162161703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11684 (or 11678 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 162161703 is about 12734.2727707553. The cubic root of 162161703 is about 545.3174964548.

The spelling of 162161703 in words is "one hundred sixty-two million, one hundred sixty-one thousand, seven hundred three".