161349470936 has 16 divisors (see below), whose sum is σ = 303320160000. Its totient is φ = 80464094944.

The previous prime is 161349470917. The next prime is 161349470951. The reversal of 161349470936 is 639074943161.

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 3 ways as a sum of consecutive naturals, for example, 26326811 + ... + 26332938.

It is an arithmetic number, because the mean of its divisors is an integer number (18957510000).

Almost surely, 2^161349470936 is an apocalyptic number.

It is an amenable number.

161349470936 is a deficient number, since it is larger than the sum of its proper divisors (141970689064).

161349470936 is a wasteful number, since it uses less digits than its factorization.

161349470936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52660138 (or 52660134 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 161349470936 in words is "one hundred sixty-one billion, three hundred forty-nine million, four hundred seventy thousand, nine hundred thirty-six".