161086028 has 24 divisors (see below), whose sum is σ = 297150000. Its totient is φ = 76197888.

The previous prime is 161086021. The next prime is 161086031. The reversal of 161086028 is 820680161.

It is a junction number, because it is equal to n+sod(n) for n = 161085985 and 161086003.

It is not an unprimeable number, because it can be changed into a prime (161086021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94076 + ... + 95772.

It is an arithmetic number, because the mean of its divisors is an integer number (12381250).

Almost surely, 2^161086028 is an apocalyptic number.

It is an amenable number.

161086028 is a deficient number, since it is larger than the sum of its proper divisors (136063972).

161086028 is a wasteful number, since it uses less digits than its factorization.

161086028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 161086028 is about 12691.9670658255. The cubic root of 161086028 is about 544.1090602782.

The spelling of 161086028 in words is "one hundred sixty-one million, eighty-six thousand, twenty-eight".