180066045456 has 90 divisors (see below), whose sum is σ = 553911897630. Its totient is φ = 54565463040.

The previous prime is 180066045437. The next prime is 180066045463. The reversal of 180066045456 is 654540660081.

It can be written as a sum of positive squares in only one way, i.e., 159440490000 + 20625555456 = 399300^2 + 143616^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5149761 + ... + 5184608.

Almost surely, 2^180066045456 is an apocalyptic number.

180066045456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

180066045456 is an abundant number, since it is smaller than the sum of its proper divisors (373845852174).

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

180066045456 is a wasteful number, since it uses less digits than its factorization.

180066045456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10334405 (or 10334385 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 180066045456 in words is "one hundred eighty billion, sixty-six million, forty-five thousand, four hundred fifty-six".