180445161268802 has 32 divisors (see below), whose sum is σ = 291494689295040. Its totient is φ = 83462415966720.

The previous prime is 180445161268783. The next prime is 180445161268871. The reversal of 180445161268802 is 208862161544081.

It is a super-2 number, since 2×180445161268802² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4834478 + ... + 19602614.

It is an arithmetic number, because the mean of its divisors is an integer number (9109209040470).

Almost surely, 2^{180445161268802} is an apocalyptic number.

180445161268802 is a deficient number, since it is larger than the sum of its proper divisors (111049528026238).

180445161268802 is a wasteful number, since it uses less digits than its factorization.

180445161268802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14774306.

The product of its (nonzero) digits is 5898240, while the sum is 56.

The spelling of 180445161268802 in words is "one hundred eighty trillion, four hundred forty-five billion, one hundred sixty-one million, two hundred sixty-eight thousand, eight hundred two".