161800414075 has 12 divisors (see below), whose sum is σ = 200658094560. Its totient is φ = 129423827360.

The previous prime is 161800414063. The next prime is 161800414151. The reversal of 161800414075 is 570414008161.

It is not a de Polignac number, because 161800414075 - 2⁵ = 161800414043 is a prime.

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, 210664 + ... + 606613.

It is an arithmetic number, because the mean of its divisors is an integer number (16721507880).

Almost surely, 2^161800414075 is an apocalyptic number.

161800414075 is a deficient number, since it is larger than the sum of its proper divisors (38857680485).

161800414075 is an equidigital number, since it uses as much as digits as its factorization.

161800414075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825206 (or 825201 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 161800414075 in words is "one hundred sixty-one billion, eight hundred million, four hundred fourteen thousand, seventy-five".