12649685160 has 384 divisors, whose sum is σ = 47159884800. Its totient is φ = 2700472320.

The previous prime is 12649685123. The next prime is 12649685161. The reversal of 12649685160 is 6158694621.

It is not an unprimeable number, because it can be changed into a prime (12649685161) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5284924 + ... + 5287316.

It is an arithmetic number, because the mean of its divisors is an integer number (122812200).

Almost surely, 2^12649685160 is an apocalyptic number.

12649685160 is a gapful number since it is divisible by the number (10) 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 12649685160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23579942400).

12649685160 is an abundant number, since it is smaller than the sum of its proper divisors (34510199640).

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

12649685160 is a wasteful number, since it uses less digits than its factorization.

12649685160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481 (or 2470 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 12649685160 in words is "twelve billion, six hundred forty-nine million, six hundred eighty-five thousand, one hundred sixty".