160640031000 has 128 divisors (see below), whose sum is σ = 511861109760. Its totient is φ = 41925872000.

The previous prime is 160640030917. The next prime is 160640031023. The reversal of 160640031000 is 130046061.

It is a super-2 number, since 2×160640031000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 428646 + ... + 710645.

It is an arithmetic number, because the mean of its divisors is an integer number (3998914920).

Almost surely, 2^160640031000 is an apocalyptic number.

160640031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160640031000 is an abundant number, since it is smaller than the sum of its proper divisors (351221078760).

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

160640031000 is a wasteful number, since it uses less digits than its factorization.

160640031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139362 (or 1139348 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 160640031000 its reverse (130046061), we get a palindrome (160770077061).

The spelling of 160640031000 in words is "one hundred sixty billion, six hundred forty million, thirty-one thousand".