160521542539 has 4 divisors (see below), whose sum is σ = 160522719624. Its totient is φ = 160520365456.

The previous prime is 160521542527. The next prime is 160521542563. The reversal of 160521542539 is 935245125061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 160521542539 - 2²⁵ = 160487988107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 160521542495 and 160521542504.

It is not an unprimeable number, because it can be changed into a prime (160521542239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352402 + ... + 667255.

It is an arithmetic number, because the mean of its divisors is an integer number (40130679906).

Almost surely, 2^160521542539 is an apocalyptic number.

160521542539 is a deficient number, since it is larger than the sum of its proper divisors (1177085).

160521542539 is a wasteful number, since it uses less digits than its factorization.

160521542539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177084.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 160521542539 in words is "one hundred sixty billion, five hundred twenty-one million, five hundred forty-two thousand, five hundred thirty-nine".