18164162014481 has 16 divisors (see below), whose sum is σ = 21633391910400. Its totient is φ = 15238020399840.

The previous prime is 18164162014451. The next prime is 18164162014541. The reversal of 18164162014481 is 18441026146181.

It is not a de Polignac number, because 18164162014481 - 2²² = 18164157820177 is a prime.

It is a super-2 number, since 2×18164162014481² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18164162014421) 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, 563353460 + ... + 563385701.

It is an arithmetic number, because the mean of its divisors is an integer number (1352086994400).

Almost surely, 2^{18164162014481} is an apocalyptic number.

It is an amenable number.

18164162014481 is a deficient number, since it is larger than the sum of its proper divisors (3469229895919).

18164162014481 is an equidigital number, since it uses as much as digits as its factorization.

18164162014481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126739229 (or 1126739215 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 47.

The spelling of 18164162014481 in words is "eighteen trillion, one hundred sixty-four billion, one hundred sixty-two million, fourteen thousand, four hundred eighty-one".