651799180032 has 1152 divisors, whose sum is σ = 2455807721472. Its totient is φ = 147927859200.

The previous prime is 651799180003. The next prime is 651799180049. The reversal of 651799180032 is 230081997156.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3377197728 + ... + 3377197920.

It is an arithmetic number, because the mean of its divisors is an integer number (2131777536).

Almost surely, 2^651799180032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651799180032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1227903860736).

651799180032 is an abundant number, since it is smaller than the sum of its proper divisors (1804008541440).

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

651799180032 is a wasteful number, since it uses less digits than its factorization.

651799180032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The spelling of 651799180032 in words is "six hundred fifty-one billion, seven hundred ninety-nine million, one hundred eighty thousand, thirty-two".