13664606250 has 96 divisors (see below), whose sum is σ = 35262743040. Its totient is φ = 3526200000.

The previous prime is 13664606191. The next prime is 13664606287. The reversal of 13664606250 is 5260646631.

13664606250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13664606199 and 13664606208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 569496 + ... + 593004.

It is an arithmetic number, because the mean of its divisors is an integer number (367320240).

Almost surely, 2^13664606250 is an apocalyptic number.

13664606250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13664606250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17631371520).

13664606250 is an abundant number, since it is smaller than the sum of its proper divisors (21598136790).

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

13664606250 is an equidigital number, since it uses as much as digits as its factorization.

13664606250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23570 (or 23550 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 13664606250 in words is "thirteen billion, six hundred sixty-four million, six hundred six thousand, two hundred fifty".