161040875 has 16 divisors (see below), whose sum is σ = 201747936. Its totient is φ = 128340000.

The previous prime is 161040853. The next prime is 161040899. The reversal of 161040875 is 578040161.

It is a happy number.

It is not a de Polignac number, because 161040875 - 2⁶ = 161040811 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32300 + ... + 36950.

It is an arithmetic number, because the mean of its divisors is an integer number (12609246).

Almost surely, 2^161040875 is an apocalyptic number.

161040875 is a deficient number, since it is larger than the sum of its proper divisors (40707061).

161040875 is an equidigital number, since it uses as much as digits as its factorization.

161040875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943 (or 4933 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 161040875 is about 12690.1881388733. The cubic root of 161040875 is about 544.0582169440.

The spelling of 161040875 in words is "one hundred sixty-one million, forty thousand, eight hundred seventy-five".