160981942 has 16 divisors (see below), whose sum is σ = 278921232. Its totient is φ = 68869120.

The previous prime is 160981907. The next prime is 160981967. The reversal of 160981942 is 249189061.

160981942 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 160981895 and 160981904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214843 + ... + 215590.

It is an arithmetic number, because the mean of its divisors is an integer number (17432577).

Almost surely, 2^160981942 is an apocalyptic number.

160981942 is a deficient number, since it is larger than the sum of its proper divisors (117939290).

160981942 is a wasteful number, since it uses less digits than its factorization.

160981942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430463.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 160981942 is about 12687.8659356095. The cubic root of 160981942 is about 543.9918427086.

The spelling of 160981942 in words is "one hundred sixty million, nine hundred eighty-one thousand, nine hundred forty-two".