161036375 has 8 divisors (see below), whose sum is σ = 200973552. Its totient is φ = 128829000.

The previous prime is 161036357. The next prime is 161036377. The reversal of 161036375 is 573630161.

161036375 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 161036375 - 2⁸ = 161036119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161036377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644021 + ... + 644270.

It is an arithmetic number, because the mean of its divisors is an integer number (25121694).

Almost surely, 2^161036375 is an apocalyptic number.

161036375 is a deficient number, since it is larger than the sum of its proper divisors (39937177).

161036375 is an equidigital number, since it uses as much as digits as its factorization.

161036375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288306 (or 1288296 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 161036375 is about 12690.0108352988. The cubic root of 161036375 is about 544.0531493180.

The spelling of 161036375 in words is "one hundred sixty-one million, thirty-six thousand, three hundred seventy-five".