160993138 has 8 divisors (see below), whose sum is σ = 243028332. Its totient is φ = 79983696.

The previous prime is 160993127. The next prime is 160993207. The reversal of 160993138 is 831399061.

160993138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 159946609 + 1046529 = 12647^2 + 1023^2 .

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 160993138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256045 + ... + 256672.

Almost surely, 2^160993138 is an apocalyptic number.

160993138 is a deficient number, since it is larger than the sum of its proper divisors (82035194).

160993138 is a wasteful number, since it uses less digits than its factorization.

160993138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512876.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 160993138 is about 12688.3071368879. The cubic root of 160993138 is about 544.0044536292.

The spelling of 160993138 in words is "one hundred sixty million, nine hundred ninety-three thousand, one hundred thirty-eight".