18605364135453 has 48 divisors (see below), whose sum is σ = 27601374303360. Its totient is φ = 12070266509952.

The previous prime is 18605364135389. The next prime is 18605364135487. The reversal of 18605364135453 is 35453146350681.

18605364135453 is a `hidden beast` number, since 1 + 8 + 6 + 0 + 53 + 6 + 4 + 135 + 453 = 666.

It is not a de Polignac number, because 18605364135453 - 2⁶ = 18605364135389 is a prime.

It is a super-2 number, since 2×18605364135453² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18605364135453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18605364135053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133461975 + ... + 133601307.

It is an arithmetic number, because the mean of its divisors is an integer number (575028631320).

Almost surely, 2^{18605364135453} is an apocalyptic number.

It is an amenable number.

18605364135453 is a deficient number, since it is larger than the sum of its proper divisors (8996010167907).

18605364135453 is a wasteful number, since it uses less digits than its factorization.

18605364135453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140658 (or 140655 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 54.

The spelling of 18605364135453 in words is "eighteen trillion, six hundred five billion, three hundred sixty-four million, one hundred thirty-five thousand, four hundred fifty-three".