160361585491 has 4 divisors (see below), whose sum is σ = 161918494192. Its totient is φ = 158804676792.

The previous prime is 160361585467. The next prime is 160361585509. The reversal of 160361585491 is 194585163061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194585163061 = 29 ⋅6709833209.

It is a cyclic number.

It is not a de Polignac number, because 160361585491 - 2⁹ = 160361584979 is a prime.

It is a super-2 number, since 2×160361585491² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160361589491) 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, 778454196 + ... + 778454401.

It is an arithmetic number, because the mean of its divisors is an integer number (40479623548).

Almost surely, 2^160361585491 is an apocalyptic number.

160361585491 is a deficient number, since it is larger than the sum of its proper divisors (1556908701).

160361585491 is a wasteful number, since it uses less digits than its factorization.

160361585491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556908700.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 160361585491 in words is "one hundred sixty billion, three hundred sixty-one million, five hundred eighty-five thousand, four hundred ninety-one".