160517307990 has 64 divisors (see below), whose sum is σ = 416981670336. Its totient is φ = 39311365632.

The previous prime is 160517307989. The next prime is 160517307991. The reversal of 160517307990 is 99703715061.

It is an interprime number because it is at equal distance from previous prime (160517307989) and next prime (160517307991).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160517307991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 967797 + ... + 1121456.

It is an arithmetic number, because the mean of its divisors is an integer number (6515338599).

Almost surely, 2^160517307990 is an apocalyptic number.

160517307990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

160517307990 is an abundant number, since it is smaller than the sum of its proper divisors (256464362346).

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

160517307990 is a wasteful number, since it uses less digits than its factorization.

160517307990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089473.

The product of its (nonzero) digits is 357210, while the sum is 48.

The spelling of 160517307990 in words is "one hundred sixty billion, five hundred seventeen million, three hundred seven thousand, nine hundred ninety".