160745490 has 48 divisors (see below), whose sum is σ = 422269848. Its totient is φ = 42421248.

The previous prime is 160745479. The next prime is 160745503. The reversal of 160745490 is 94547061.

160745490 is a `hidden beast` number, since 1 + 607 + 4 + 5 + 49 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 107557641 + 53187849 = 10371^2 + 7293^2 .

It is a super-2 number, since 2×160745490² = 51678225110680200, which contains 22 as substring.

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, 477 + ... + 17936.

Almost surely, 2^160745490 is an apocalyptic number.

160745490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 160745490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211134924).

160745490 is an abundant number, since it is smaller than the sum of its proper divisors (261524358).

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

160745490 is a wasteful number, since it uses less digits than its factorization.

160745490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18523 (or 18520 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 160745490 is about 12678.5444748204. The cubic root of 160745490 is about 543.7253718532.

The spelling of 160745490 in words is "one hundred sixty million, seven hundred forty-five thousand, four hundred ninety".