160890647 has 6 divisors (see below), whose sum is σ = 162000048. Its totient is φ = 159788792.

The previous prime is 160890629. The next prime is 160890661. The reversal of 160890647 is 746098061.

It is a de Polignac number, because none of the positive numbers 2^k-160890647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160890607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18578 + ... + 25824.

It is an arithmetic number, because the mean of its divisors is an integer number (27000008).

Almost surely, 2^160890647 is an apocalyptic number.

160890647 is a deficient number, since it is larger than the sum of its proper divisors (1109401).

160890647 is an frugal number, since it uses more digits than its factorization.

160890647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7545 (or 7396 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 160890647 is about 12684.2676966390. The cubic root of 160890647 is about 543.8889882601. Note that the first 3 decimals are identical.

The spelling of 160890647 in words is "one hundred sixty million, eight hundred ninety thousand, six hundred forty-seven".