161389795 has 8 divisors (see below), whose sum is σ = 221334624. Its totient is φ = 110667264.

The previous prime is 161389763. The next prime is 161389807. The reversal of 161389795 is 597983161.

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 161389795 - 2⁵ = 161389763 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2305534 + ... + 2305603.

It is an arithmetic number, because the mean of its divisors is an integer number (27666828).

Almost surely, 2^161389795 is an apocalyptic number.

161389795 is a deficient number, since it is larger than the sum of its proper divisors (59944829).

161389795 is an equidigital number, since it uses as much as digits as its factorization.

161389795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4611149.

The product of its digits is 408240, while the sum is 49.

The square root of 161389795 is about 12703.9283294578. The cubic root of 161389795 is about 544.4508623042.

The spelling of 161389795 in words is "one hundred sixty-one million, three hundred eighty-nine thousand, seven hundred ninety-five".