160994904 has 128 divisors (see below), whose sum is σ = 500121600. Its totient is φ = 42145920.

The previous prime is 160994861. The next prime is 160994929. The reversal of 160994904 is 409499061.

It is a super-2 number, since 2×160994904² = 51838718227938432, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98139 + ... + 99765.

It is an arithmetic number, because the mean of its divisors is an integer number (3907200).

Almost surely, 2^160994904 is an apocalyptic number.

160994904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 160994904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250060800).

160994904 is an abundant number, since it is smaller than the sum of its proper divisors (339126696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

160994904 is a wasteful number, since it uses less digits than its factorization.

160994904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 160994904 is about 12688.3767283290. The cubic root of 160994904 is about 544.0064427582.

The spelling of 160994904 in words is "one hundred sixty million, nine hundred ninety-four thousand, nine hundred four".