13164644650 has 24 divisors (see below), whose sum is σ = 24497539200. Its totient is φ = 5263427760.

The previous prime is 13164644567. The next prime is 13164644653. The reversal of 13164644650 is 5644646131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13164644653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50701 + ... + 169999.

It is an arithmetic number, because the mean of its divisors is an integer number (1020730800).

Almost surely, 2^13164644650 is an apocalyptic number.

13164644650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13164644650 is a deficient number, since it is larger than the sum of its proper divisors (11332894550).

13164644650 is a wasteful number, since it uses less digits than its factorization.

13164644650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121518 (or 121513 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 13164644650 in words is "thirteen billion, one hundred sixty-four million, six hundred forty-four thousand, six hundred fifty".