160431660 has 36 divisors (see below), whose sum is σ = 486643248. Its totient is φ = 42781728.

The previous prime is 160431643. The next prime is 160431697. The reversal of 160431660 is 66134061.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 445464 + ... + 445823.

It is an arithmetic number, because the mean of its divisors is an integer number (13517868).

Almost surely, 2^160431660 is an apocalyptic number.

160431660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160431660 is an abundant number, since it is smaller than the sum of its proper divisors (326211588).

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

160431660 is a wasteful number, since it uses less digits than its factorization.

160431660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891302 (or 891297 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 160431660 is about 12666.1620074907. The cubic root of 160431660 is about 543.3712955606.

The spelling of 160431660 in words is "one hundred sixty million, four hundred thirty-one thousand, six hundred sixty".