160899977 has 12 divisors (see below), whose sum is σ = 187470720. Its totient is φ = 137692296.

The previous prime is 160899931. The next prime is 160899989. The reversal of 160899977 is 779998061.

It is not a de Polignac number, because 160899977 - 2⁸ = 160899721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160899677) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 32948 + ... + 37514.

It is an arithmetic number, because the mean of its divisors is an integer number (15622560).

Almost surely, 2^160899977 is an apocalyptic number.

It is an amenable number.

160899977 is a deficient number, since it is larger than the sum of its proper divisors (26570743).

160899977 is an equidigital number, since it uses as much as digits as its factorization.

160899977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300 (or 5293 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 56.

The square root of 160899977 is about 12684.6354697327. The cubic root of 160899977 is about 543.8995013763.

The spelling of 160899977 in words is "one hundred sixty million, eight hundred ninety-nine thousand, nine hundred seventy-seven".