160857018 has 48 divisors (see below), whose sum is σ = 399237696. Its totient is φ = 45852480.

The previous prime is 160857013. The next prime is 160857031. The reversal of 160857018 is 810758061.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (160857013) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 64678 + ... + 67118.

It is an arithmetic number, because the mean of its divisors is an integer number (8317452).

Almost surely, 2^160857018 is an apocalyptic number.

160857018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

160857018 is an abundant number, since it is smaller than the sum of its proper divisors (238380678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

160857018 is a wasteful number, since it uses less digits than its factorization.

160857018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979 (or 2976 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 160857018 is about 12682.9420088558. The cubic root of 160857018 is about 543.8510914699.

The spelling of 160857018 in words is "one hundred sixty million, eight hundred fifty-seven thousand, eighteen".