18054649615602 has 16 divisors (see below), whose sum is σ = 36246596950080. Its totient is φ = 5995333585392.

The previous prime is 18054649615567. The next prime is 18054649615603. The reversal of 18054649615602 is 20651694645081.

It is not an unprimeable number, because it can be changed into a prime (18054649615603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5720736577 + ... + 5720739732.

It is an arithmetic number, because the mean of its divisors is an integer number (2265412309380).

Almost surely, 2^{18054649615602} is an apocalyptic number.

18054649615602 is an abundant number, since it is smaller than the sum of its proper divisors (18191947334478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18054649615602 is a wasteful number, since it uses less digits than its factorization.

18054649615602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11441476577.

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 18054649615602 in words is "eighteen trillion, fifty-four billion, six hundred forty-nine million, six hundred fifteen thousand, six hundred two".