180463687992 has 384 divisors, whose sum is σ = 621470361600. Its totient is φ = 48266862336.

The previous prime is 180463687913. The next prime is 180463688059. The reversal of 180463687992 is 299786364081.

180463687992 is a `hidden beast` number, since 1 + 8 + 0 + 463 + 6 + 87 + 9 + 92 = 666.

180463687992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11433418 + ... + 11449190.

It is an arithmetic number, because the mean of its divisors is an integer number (1618412400).

Almost surely, 2^180463687992 is an apocalyptic number.

180463687992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180463687992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310735180800).

180463687992 is an abundant number, since it is smaller than the sum of its proper divisors (441006673608).

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

180463687992 is a wasteful number, since it uses less digits than its factorization.

180463687992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15872 (or 15855 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 180463687992 in words is "one hundred eighty billion, four hundred sixty-three million, six hundred eighty-seven thousand, nine hundred ninety-two".