160939990 has 8 divisors (see below), whose sum is σ = 289692000. Its totient is φ = 64375992.

The previous prime is 160939967. The next prime is 160939991. The reversal of 160939990 is 99939061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 160939990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160939991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8046990 + ... + 8047009.

It is an arithmetic number, because the mean of its divisors is an integer number (36211500).

Almost surely, 2^160939990 is an apocalyptic number.

160939990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

160939990 is a deficient number, since it is larger than the sum of its proper divisors (128752010).

160939990 is a wasteful number, since it uses less digits than its factorization.

160939990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16094006.

The product of its (nonzero) digits is 118098, while the sum is 46.

The square root of 160939990 is about 12686.2125947818. The cubic root of 160939990 is about 543.9445837257.

The spelling of 160939990 in words is "one hundred sixty million, nine hundred thirty-nine thousand, nine hundred ninety".