161035875 has 216 divisors, whose sum is σ = 394875936. Its totient is φ = 61776000.

The previous prime is 161035859. The next prime is 161035909. The reversal of 161035875 is 578530161.

161035875 is a `hidden beast` number, since 1 + 610 + 35 + 8 + 7 + 5 = 666.

161035875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161035875 - 2⁴ = 161035859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 12387369 + ... + 12387381.

Almost surely, 2^161035875 is an apocalyptic number.

161035875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161035875 is an abundant number, since it is smaller than the sum of its proper divisors (233840061).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161035875 is a wasteful number, since it uses less digits than its factorization.

161035875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 161035875 is about 12689.9911347487. The cubic root of 161035875 is about 544.0525862426.

The spelling of 161035875 in words is "one hundred sixty-one million, thirty-five thousand, eight hundred seventy-five".