180901996 has 12 divisors (see below), whose sum is σ = 345358440. Its totient is φ = 82228160.

The previous prime is 180901951. The next prime is 180901997. The reversal of 180901996 is 699109081.

It is not an unprimeable number, because it can be changed into a prime (180901997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2055661 + ... + 2055748.

It is an arithmetic number, because the mean of its divisors is an integer number (28779870).

Almost surely, 2^180901996 is an apocalyptic number.

It is an amenable number.

180901996 is a deficient number, since it is larger than the sum of its proper divisors (164456444).

180901996 is a wasteful number, since it uses less digits than its factorization.

180901996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111424 (or 4111422 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 43.

The square root of 180901996 is about 13449.9812639275. The cubic root of 180901996 is about 565.5631693796.

The spelling of 180901996 in words is "one hundred eighty million, nine hundred one thousand, nine hundred ninety-six".