161795795 has 12 divisors (see below), whose sum is σ = 225854064. Its totient is φ = 110945520.

The previous prime is 161795791. The next prime is 161795807. The reversal of 161795795 is 597597161.

It is not a de Polignac number, because 161795795 - 2² = 161795791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161795791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329951 + ... + 330440.

It is an arithmetic number, because the mean of its divisors is an integer number (18821172).

Almost surely, 2^161795795 is an apocalyptic number.

161795795 is a deficient number, since it is larger than the sum of its proper divisors (64058269).

161795795 is an equidigital number, since it uses as much as digits as its factorization.

161795795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660410 (or 660403 counting only the distinct ones).

The product of its digits is 595350, while the sum is 50.

The square root of 161795795 is about 12719.8976017891. The cubic root of 161795795 is about 544.9070290026.

The spelling of 161795795 in words is "one hundred sixty-one million, seven hundred ninety-five thousand, seven hundred ninety-five".