685567060632 has 512 divisors, whose sum is σ = 2047752806400. Its totient is φ = 214856478720.

The previous prime is 685567060597. The next prime is 685567060693. The reversal of 685567060632 is 236060765586.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 4366669098 + ... + 4366669254.

It is an arithmetic number, because the mean of its divisors is an integer number (3999517200).

Almost surely, 2^685567060632 is an apocalyptic number.

685567060632 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 685567060632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023876403200).

685567060632 is an abundant number, since it is smaller than the sum of its proper divisors (1362185745768).

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

685567060632 is a wasteful number, since it uses less digits than its factorization.

685567060632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 685567060632 in words is "six hundred eighty-five billion, five hundred sixty-seven million, sixty thousand, six hundred thirty-two".