161870674 has 16 divisors (see below), whose sum is σ = 279614016. Its totient is φ = 68842800.

The previous prime is 161870669. The next prime is 161870693. The reversal of 161870674 is 476078161.

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, 42297 + ... + 45964.

It is an arithmetic number, because the mean of its divisors is an integer number (17475876).

Almost surely, 2^161870674 is an apocalyptic number.

161870674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161870674 is a deficient number, since it is larger than the sum of its proper divisors (117743342).

161870674 is a wasteful number, since it uses less digits than its factorization.

161870674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88401.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 161870674 is about 12722.8406419321. The cubic root of 161870674 is about 544.9910769237.

The spelling of 161870674 in words is "one hundred sixty-one million, eight hundred seventy thousand, six hundred seventy-four".