160996521 has 8 divisors (see below), whose sum is σ = 245328064. Its totient is φ = 91998000.

The previous prime is 160996513. The next prime is 160996523. The reversal of 160996521 is 125699061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 160996521 - 2³ = 160996513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 160996521.

It is not an unprimeable number, because it can be changed into a prime (160996523) 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, 3833230 + ... + 3833271.

It is an arithmetic number, because the mean of its divisors is an integer number (30666008).

Almost surely, 2^160996521 is an apocalyptic number.

It is an amenable number.

160996521 is a deficient number, since it is larger than the sum of its proper divisors (84331543).

160996521 is an equidigital number, since it uses as much as digits as its factorization.

160996521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7666511.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 160996521 is about 12688.4404479038. The cubic root of 160996521 is about 544.0082640487.

The spelling of 160996521 in words is "one hundred sixty million, nine hundred ninety-six thousand, five hundred twenty-one".