160831442 has 4 divisors (see below), whose sum is σ = 241247166. Its totient is φ = 80415720.

The previous prime is 160831427. The next prime is 160831453. The reversal of 160831442 is 244138061.

160831442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 149059681 + 11771761 = 12209^2 + 3431^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40207859 + ... + 40207862.

Almost surely, 2^160831442 is an apocalyptic number.

160831442 is a deficient number, since it is larger than the sum of its proper divisors (80415724).

160831442 is an equidigital number, since it uses as much as digits as its factorization.

160831442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80415723.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 160831442 is about 12681.9336853652. The cubic root of 160831442 is about 543.8222661339.

The spelling of 160831442 in words is "one hundred sixty million, eight hundred thirty-one thousand, four hundred forty-two".