18662325477313 has 16 divisors (see below), whose sum is σ = 21490114402944. Its totient is φ = 15875038039680.

The previous prime is 18662325477311. The next prime is 18662325477359. The reversal of 18662325477313 is 31377452326681.

It is a cyclic number.

It is not a de Polignac number, because 18662325477313 - 2¹ = 18662325477311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18662325477311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 658383 + ... + 6144763.

It is an arithmetic number, because the mean of its divisors is an integer number (1343132150184).

Almost surely, 2^{18662325477313} is an apocalyptic number.

It is an amenable number.

18662325477313 is a deficient number, since it is larger than the sum of its proper divisors (2827788925631).

18662325477313 is a wasteful number, since it uses less digits than its factorization.

18662325477313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490072.

The product of its digits is 30481920, while the sum is 58.

The spelling of 18662325477313 in words is "eighteen trillion, six hundred sixty-two billion, three hundred twenty-five million, four hundred seventy-seven thousand, three hundred thirteen".