160832279521 has 3 divisors (see below), whose sum is σ = 160832680561. Its totient is φ = 160831878482.

The previous prime is 160832279479. The next prime is 160832279533. The reversal of 160832279521 is 125972238061.

The square root of 160832279521 is 401039.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 160832279521 - 2⁷ = 160832279393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160832279591) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 200520 + ... + 601558.

Almost surely, 2^160832279521 is an apocalyptic number.

160832279521 is the 401039-th square number.

160832279521 is the 200520-th centered octagonal number.

It is an amenable number.

160832279521 is a deficient number, since it is larger than the sum of its proper divisors (401040).

160832279521 is an frugal number, since it uses more digits than its factorization.

160832279521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802078 (or 401039 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 160832279521 in words is "one hundred sixty billion, eight hundred thirty-two million, two hundred seventy-nine thousand, five hundred twenty-one".