683116829640 has 512 divisors, whose sum is σ = 2769518822400. Its totient is φ = 146204835840.

The previous prime is 683116829627. The next prime is 683116829677. The reversal of 683116829640 is 46928611386.

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

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 127 ways as a sum of consecutive naturals, for example, 25304950 + ... + 25331930.

It is an arithmetic number, because the mean of its divisors is an integer number (5409216450).

Almost surely, 2^683116829640 is an apocalyptic number.

683116829640 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 683116829640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384759411200).

683116829640 is an abundant number, since it is smaller than the sum of its proper divisors (2086401992760).

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

683116829640 is a wasteful number, since it uses less digits than its factorization.

683116829640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27222 (or 27212 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 683116829640 in words is "six hundred eighty-three billion, one hundred sixteen million, eight hundred twenty-nine thousand, six hundred forty".