180640045065612 has 192 divisors, whose sum is σ = 480372742080000. Its totient is φ = 52329626173440.

The previous prime is 180640045065511. The next prime is 180640045065629. The reversal of 180640045065612 is 216560540046081.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 587754439 + ... + 588061697.

It is an arithmetic number, because the mean of its divisors is an integer number (2501941365000).

Almost surely, 2^{180640045065612} is an apocalyptic number.

180640045065612 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 180640045065612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240186371040000).

180640045065612 is an abundant number, since it is smaller than the sum of its proper divisors (299732697014388).

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

180640045065612 is a wasteful number, since it uses less digits than its factorization.

180640045065612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308824 (or 308822 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 180640045065612 in words is "one hundred eighty trillion, six hundred forty billion, forty-five million, sixty-five thousand, six hundred twelve".