160977730 has 16 divisors (see below), whose sum is σ = 299107584. Its totient is φ = 62313840.

The previous prime is 160977721. The next prime is 160977757. The reversal of 160977730 is 37779061.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259332 + ... + 259951.

It is an arithmetic number, because the mean of its divisors is an integer number (18694224).

Almost surely, 2^160977730 is an apocalyptic number.

160977730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

160977730 is a deficient number, since it is larger than the sum of its proper divisors (138129854).

160977730 is a wasteful number, since it uses less digits than its factorization.

160977730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519321.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 160977730 is about 12687.6999491634. The cubic root of 160977730 is about 543.9870982559.

The spelling of 160977730 in words is "one hundred sixty million, nine hundred seventy-seven thousand, seven hundred thirty".