160525991 has 4 divisors (see below), whose sum is σ = 166061400. Its totient is φ = 154990584.

The previous prime is 160525949. The next prime is 160525997. The reversal of 160525991 is 199525061.

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 160525991 - 2¹⁰ = 160524967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160525997) 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, 2767661 + ... + 2767718.

It is an arithmetic number, because the mean of its divisors is an integer number (41515350).

Almost surely, 2^160525991 is an apocalyptic number.

160525991 is a deficient number, since it is larger than the sum of its proper divisors (5535409).

160525991 is an equidigital number, since it uses as much as digits as its factorization.

160525991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535408.

The product of its (nonzero) digits is 24300, while the sum is 38.

The square root of 160525991 is about 12669.8852007427. The cubic root of 160525991 is about 543.4777722891.

The spelling of 160525991 in words is "one hundred sixty million, five hundred twenty-five thousand, nine hundred ninety-one".