161152875 has 64 divisors (see below), whose sum is σ = 320960640. Its totient is φ = 79315200.

The previous prime is 161152861. The next prime is 161152891. The reversal of 161152875 is 578251161.

161152875 is a `hidden beast` number, since 1 + 61 + 1 + 528 + 75 = 666.

It is not a de Polignac number, because 161152875 - 2⁹ = 161152363 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42039 + ... + 45711.

It is an arithmetic number, because the mean of its divisors is an integer number (5015010).

Almost surely, 2^161152875 is an apocalyptic number.

161152875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161152875 is a deficient number, since it is larger than the sum of its proper divisors (159807765).

161152875 is a wasteful number, since it uses less digits than its factorization.

161152875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710 (or 3694 counting only the distinct ones).

The product of its digits is 16800, while the sum is 36.

The square root of 161152875 is about 12694.6002300191. The cubic root of 161152875 is about 544.1843141219.

The spelling of 161152875 in words is "one hundred sixty-one million, one hundred fifty-two thousand, eight hundred seventy-five".