161325596 has 6 divisors (see below), whose sum is σ = 282319800. Its totient is φ = 80662796.

The previous prime is 161325569. The next prime is 161325601. The reversal of 161325596 is 695523161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20165696 + ... + 20165703.

It is an arithmetic number, because the mean of its divisors is an integer number (47053300).

Almost surely, 2^161325596 is an apocalyptic number.

It is an amenable number.

161325596 is a deficient number, since it is larger than the sum of its proper divisors (120994204).

161325596 is a wasteful number, since it uses less digits than its factorization.

161325596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40331403 (or 40331401 counting only the distinct ones).

The product of its digits is 48600, while the sum is 38.

The square root of 161325596 is about 12701.4013400097. The cubic root of 161325596 is about 544.3786606375.

The spelling of 161325596 in words is "one hundred sixty-one million, three hundred twenty-five thousand, five hundred ninety-six".