161434676 has 12 divisors (see below), whose sum is σ = 304242372. Its totient is φ = 74508288.

The previous prime is 161434667. The next prime is 161434699. The reversal of 161434676 is 676434161.

161434676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 70728100 + 90706576 = 8410^2 + 9524^2 .

It is a super-2 number, since 2×161434676² = 52122309230449952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552205 + ... + 1552308.

It is an arithmetic number, because the mean of its divisors is an integer number (25353531).

Almost surely, 2^161434676 is an apocalyptic number.

It is an amenable number.

161434676 is a deficient number, since it is larger than the sum of its proper divisors (142807696).

161434676 is a wasteful number, since it uses less digits than its factorization.

161434676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104530 (or 3104528 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 161434676 is about 12705.6946287875. The cubic root of 161434676 is about 544.5013265326.

The spelling of 161434676 in words is "one hundred sixty-one million, four hundred thirty-four thousand, six hundred seventy-six".