161054375 has 10 divisors (see below), whose sum is σ = 201254328. Its totient is φ = 128843000.

The previous prime is 161054363. The next prime is 161054381. The reversal of 161054375 is 573450161.

It is not a de Polignac number, because 161054375 - 2⁴ = 161054359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 128219 + ... + 129468.

Almost surely, 2^161054375 is an apocalyptic number.

161054375 is a deficient number, since it is larger than the sum of its proper divisors (40199953).

161054375 is an frugal number, since it uses more digits than its factorization.

161054375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257707 (or 257692 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 161054375 is about 12690.7200347340. The cubic root of 161054375 is about 544.0734192556.

The spelling of 161054375 in words is "one hundred sixty-one million, fifty-four thousand, three hundred seventy-five".