160857640 has 32 divisors (see below), whose sum is σ = 362700000. Its totient is φ = 64206144.

The previous prime is 160857623. The next prime is 160857677. The reversal of 160857640 is 46758061.

160857640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 160857640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15931 + ... + 23989.

It is an arithmetic number, because the mean of its divisors is an integer number (11334375).

Almost surely, 2^160857640 is an apocalyptic number.

160857640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160857640 is an abundant number, since it is smaller than the sum of its proper divisors (201842360).

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

160857640 is a wasteful number, since it uses less digits than its factorization.

160857640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8569 (or 8565 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 160857640 is about 12682.9665299566. The cubic root of 160857640 is about 543.8517924547.

The spelling of 160857640 in words is "one hundred sixty million, eight hundred fifty-seven thousand, six hundred forty".