161192086 has 32 divisors (see below), whose sum is σ = 280033920. Its totient is φ = 69391080.

The previous prime is 161192069. The next prime is 161192107. The reversal of 161192086 is 680291161.

161192086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48985 + ... + 52171.

It is an arithmetic number, because the mean of its divisors is an integer number (8751060).

Almost surely, 2^161192086 is an apocalyptic number.

161192086 is a deficient number, since it is larger than the sum of its proper divisors (118841834).

161192086 is a wasteful number, since it uses less digits than its factorization.

161192086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241 (or 3219 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 161192086 is about 12696.1445328887. The cubic root of 161192086 is about 544.2284467108.

The spelling of 161192086 in words is "one hundred sixty-one million, one hundred ninety-two thousand, eighty-six".