681601233360 has 160 divisors (see below), whose sum is σ = 2182100336640. Its totient is φ = 175818355200.

The previous prime is 681601233331. The next prime is 681601233361. The reversal of 681601233360 is 63332106186.

681601233360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681601233361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17620921 + ... + 17659559.

It is an arithmetic number, because the mean of its divisors is an integer number (13638127104).

Almost surely, 2^681601233360 is an apocalyptic number.

681601233360 is a gapful number since it is divisible by the number (60) 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 681601233360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1091050168320).

681601233360 is an abundant number, since it is smaller than the sum of its proper divisors (1500499103280).

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

681601233360 is a wasteful number, since it uses less digits than its factorization.

681601233360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41057 (or 41051 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 681601233360 in words is "six hundred eighty-one billion, six hundred one million, two hundred thirty-three thousand, three hundred sixty".