160640390 has 16 divisors (see below), whose sum is σ = 289297008. Its totient is φ = 64224096.

The previous prime is 160640387. The next prime is 160640393. The reversal of 160640390 is 93046061.

It is an interprime number because it is at equal distance from previous prime (160640387) and next prime (160640393).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160640393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38024 + ... + 42036.

It is an arithmetic number, because the mean of its divisors is an integer number (18081063).

Almost surely, 2^160640390 is an apocalyptic number.

160640390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

160640390 is a deficient number, since it is larger than the sum of its proper divisors (128656618).

160640390 is a wasteful number, since it uses less digits than its factorization.

160640390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 160640390 is about 12674.3989995581. The cubic root of 160640390 is about 543.6068449497.

The spelling of 160640390 in words is "one hundred sixty million, six hundred forty thousand, three hundred ninety".