160631513 has 4 divisors (see below), whose sum is σ = 183578880. Its totient is φ = 137684148.

The previous prime is 160631509. The next prime is 160631519. The reversal of 160631513 is 315136061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 315136061 = 3491 ⋅90271.

It is not a de Polignac number, because 160631513 - 2² = 160631509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160631519) 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 3 ways as a sum of consecutive naturals, for example, 11473673 + ... + 11473686.

It is an arithmetic number, because the mean of its divisors is an integer number (45894720).

Almost surely, 2^160631513 is an apocalyptic number.

It is an amenable number.

160631513 is a deficient number, since it is larger than the sum of its proper divisors (22947367).

160631513 is an equidigital number, since it uses as much as digits as its factorization.

160631513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22947366.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 160631513 is about 12674.0488006004. The cubic root of 160631513 is about 543.5968315135.

Adding to 160631513 its reverse (315136061), we get a palindrome (475767574).

It can be divided in two parts, 16063 and 1513, that added together give a cube (17576 = 26³).

The spelling of 160631513 in words is "one hundred sixty million, six hundred thirty-one thousand, five hundred thirteen".