12361664563 has 8 divisors (see below), whose sum is σ = 13511041920. Its totient is φ = 11259200640.

The previous prime is 12361664561. The next prime is 12361664611. The reversal of 12361664563 is 36546616321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12361664563 - 2¹ = 12361664561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12361664561) 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, 11727808 + ... + 11728861.

It is an arithmetic number, because the mean of its divisors is an integer number (1688880240).

Almost surely, 2^12361664563 is an apocalyptic number.

12361664563 is a deficient number, since it is larger than the sum of its proper divisors (1149377357).

12361664563 is a wasteful number, since it uses less digits than its factorization.

12361664563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23456717.

The product of its digits is 466560, while the sum is 43.

The spelling of 12361664563 in words is "twelve billion, three hundred sixty-one million, six hundred sixty-four thousand, five hundred sixty-three".