12601164646 has 16 divisors (see below), whose sum is σ = 21726867744. Its totient is φ = 5369281344.

The previous prime is 12601164637. The next prime is 12601164649. The reversal of 12601164646 is 64646110621.

12601164646 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12601164649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2598975 + ... + 2603818.

It is an arithmetic number, because the mean of its divisors is an integer number (1357929234).

Almost surely, 2^12601164646 is an apocalyptic number.

12601164646 is a deficient number, since it is larger than the sum of its proper divisors (9125703098).

12601164646 is a wasteful number, since it uses less digits than its factorization.

12601164646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202975.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 12601164646 in words is "twelve billion, six hundred one million, one hundred sixty-four thousand, six hundred forty-six".