680675911632 has 120 divisors (see below), whose sum is σ = 1976281049600. Its totient is φ = 218469208320.

The previous prime is 680675911627. The next prime is 680675911633. The reversal of 680675911632 is 236119576086.

680675911632 is a `hidden beast` number, since 6 + 8 + 0 + 6 + 7 + 591 + 16 + 32 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680675911633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505218 + ... + 1271454.

Almost surely, 2^680675911632 is an apocalyptic number.

680675911632 is a gapful number since it is divisible by the number (62) 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 680675911632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988140524800).

680675911632 is an abundant number, since it is smaller than the sum of its proper divisors (1295605137968).

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

680675911632 is a wasteful number, since it uses less digits than its factorization.

680675911632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766481 (or 766472 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 680675911632 in words is "six hundred eighty billion, six hundred seventy-five million, nine hundred eleven thousand, six hundred thirty-two".