180863768464 has 10 divisors (see below), whose sum is σ = 350423551430. Its totient is φ = 90431884224.

The previous prime is 180863768453. The next prime is 180863768467. The reversal of 180863768464 is 464867368081.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 175192473600 + 5671294864 = 418560^2 + 75308^2 .

It is not an unprimeable number, because it can be changed into a prime (180863768467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5651992749 + ... + 5651992780.

It is an arithmetic number, because the mean of its divisors is an integer number (35042355143).

Almost surely, 2^180863768464 is an apocalyptic number.

It is an amenable number.

180863768464 is a deficient number, since it is larger than the sum of its proper divisors (169559782966).

180863768464 is a wasteful number, since it uses less digits than its factorization.

180863768464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11303985537 (or 11303985531 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 61.

The spelling of 180863768464 in words is "one hundred eighty billion, eight hundred sixty-three million, seven hundred sixty-eight thousand, four hundred sixty-four".