160890090 has 32 divisors (see below), whose sum is σ = 395119296. Its totient is φ = 41905920.

The previous prime is 160890061. The next prime is 160890101. The reversal of 160890090 is 90098061.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 61071 + ... + 63650.

It is an arithmetic number, because the mean of its divisors is an integer number (12347478).

Almost surely, 2^160890090 is an apocalyptic number.

160890090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

160890090 is an abundant number, since it is smaller than the sum of its proper divisors (234229206).

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

160890090 is a wasteful number, since it uses less digits than its factorization.

160890090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124774.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 160890090 is about 12684.2457402874. The cubic root of 160890090 is about 543.8883606154. Note that the first 3 decimals are identical.

The spelling of 160890090 in words is "one hundred sixty million, eight hundred ninety thousand, ninety".