161434675 has 12 divisors (see below), whose sum is σ = 202245736. Its totient is φ = 127814400.

The previous prime is 161434667. The next prime is 161434699. The reversal of 161434675 is 576434161.

It is not a de Polignac number, because 161434675 - 2³ = 161434667 is a prime.

It is a super-2 number, since 2×161434675² = 52122308584711250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30861 + ... + 35710.

Almost surely, 2^161434675 is an apocalyptic number.

161434675 is a deficient number, since it is larger than the sum of its proper divisors (40811061).

161434675 is an equidigital number, since it uses as much as digits as its factorization.

161434675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66678 (or 66673 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 161434675 is about 12705.6945894351. The cubic root of 161434675 is about 544.5013254083.

The spelling of 161434675 in words is "one hundred sixty-one million, four hundred thirty-four thousand, six hundred seventy-five".