180159994 has 8 divisors (see below), whose sum is σ = 308845728. Its totient is φ = 77211420.

The previous prime is 180159953. The next prime is 180160009. The reversal of 180159994 is 499951081.

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

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, 6434272 + ... + 6434299.

It is an arithmetic number, because the mean of its divisors is an integer number (38605716).

Almost surely, 2^180159994 is an apocalyptic number.

180159994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

180159994 is a deficient number, since it is larger than the sum of its proper divisors (128685734).

180159994 is a wasteful number, since it uses less digits than its factorization.

180159994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12868580.

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 180159994 is about 13422.3691649425. The cubic root of 180159994 is about 564.7888568083.

The spelling of 180159994 in words is "one hundred eighty million, one hundred fifty-nine thousand, nine hundred ninety-four".