160261631 has 4 divisors (see below), whose sum is σ = 167229552. Its totient is φ = 153293712.

The previous prime is 160261613. The next prime is 160261643. The reversal of 160261631 is 136162061.

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

It is a de Polignac number, because none of the positive numbers 2^k-160261631 is a prime.

It is a super-2 number, since 2×160261631² = 51367580741560322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 160261631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160261531) 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, 3483926 + ... + 3483971.

It is an arithmetic number, because the mean of its divisors is an integer number (41807388).

Almost surely, 2^160261631 is an apocalyptic number.

160261631 is a deficient number, since it is larger than the sum of its proper divisors (6967921).

160261631 is an equidigital number, since it uses as much as digits as its factorization.

160261631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6967920.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 160261631 is about 12659.4482897163. The cubic root of 160261631 is about 543.1792687586.

The spelling of 160261631 in words is "one hundred sixty million, two hundred sixty-one thousand, six hundred thirty-one".