160664490 has 48 divisors (see below), whose sum is σ = 477404928. Its totient is φ = 36723168.

The previous prime is 160664489. The next prime is 160664507. The reversal of 160664490 is 94466061.

160664490 is a `hidden beast` number, since 1 + 6 + 0 + 6 + 644 + 9 + 0 = 666.

160664490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126882 + ... + 128141.

It is an arithmetic number, because the mean of its divisors is an integer number (9945936).

Almost surely, 2^160664490 is an apocalyptic number.

160664490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

160664490 is an abundant number, since it is smaller than the sum of its proper divisors (316740438).

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

160664490 is a wasteful number, since it uses less digits than its factorization.

160664490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255043 (or 255040 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 160664490 is about 12675.3496993180. The cubic root of 160664490 is about 543.6340283786.

The spelling of 160664490 in words is "one hundred sixty million, six hundred sixty-four thousand, four hundred ninety".