160390490 has 32 divisors (see below), whose sum is σ = 315188496. Its totient is φ = 58406400.

The previous prime is 160390487. The next prime is 160390501. The reversal of 160390490 is 94093061.

It can be written as a sum of positive squares in 8 ways, for example, as 104305369 + 56085121 = 10213^2 + 7489^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040 + ... + 17940.

Almost surely, 2^160390490 is an apocalyptic number.

160390490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

160390490 is a deficient number, since it is larger than the sum of its proper divisors (154798006).

160390490 is a wasteful number, since it uses less digits than its factorization.

160390490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16994.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 160390490 is about 12664.5367068835. The cubic root of 160390490 is about 543.3248115726.

The spelling of 160390490 in words is "one hundred sixty million, three hundred ninety thousand, four hundred ninety".