180960909956 has 6 divisors (see below), whose sum is σ = 316681592430. Its totient is φ = 90480454976.

The previous prime is 180960909907. The next prime is 180960909967. The reversal of 180960909956 is 659909069081.

It can be written as a sum of positive squares in only one way, i.e., 148710496900 + 32250413056 = 385630^2 + 179584^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22620113741 + ... + 22620113748.

It is an arithmetic number, because the mean of its divisors is an integer number (52780265405).

Almost surely, 2^180960909956 is an apocalyptic number.

It is an amenable number.

180960909956 is a deficient number, since it is larger than the sum of its proper divisors (135720682474).

180960909956 is a wasteful number, since it uses less digits than its factorization.

180960909956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45240227493 (or 45240227491 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 62.

The spelling of 180960909956 in words is "one hundred eighty billion, nine hundred sixty million, nine hundred nine thousand, nine hundred fifty-six".