161250879 has 8 divisors (see below), whose sum is σ = 215200512. Its totient is φ = 107400920.

The previous prime is 161250863. The next prime is 161250883. The reversal of 161250879 is 978052161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 161250879 - 2⁴ = 161250863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161250839) 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, 21057 + ... + 27674.

It is an arithmetic number, because the mean of its divisors is an integer number (26900064).

Almost surely, 2^161250879 is an apocalyptic number.

161250879 is a deficient number, since it is larger than the sum of its proper divisors (53949633).

161250879 is a wasteful number, since it uses less digits than its factorization.

161250879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49837.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 161250879 is about 12698.4597097443. The cubic root of 161250879 is about 544.2946057357.

The spelling of 161250879 in words is "one hundred sixty-one million, two hundred fifty thousand, eight hundred seventy-nine".