54186668145 has 64 divisors (see below), whose sum is σ = 98581017600. Its totient is φ = 28229610240.

The previous prime is 54186668141. The next prime is 54186668149.

It is a happy number.

54186668145 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (54186668141) and next prime (54186668149).

It is not a de Polignac number, because 54186668145 - 2² = 54186668141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54186668091 and 54186668100.

It is not an unprimeable number, because it can be changed into a prime (54186668141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1621960 + ... + 1655030.

It is an arithmetic number, because the mean of its divisors is an integer number (1540328400).

Almost surely, 2^54186668145 is an apocalyptic number.

It is an amenable number.

54186668145 is a deficient number, since it is larger than the sum of its proper divisors (44394349455).

54186668145 is a wasteful number, since it uses less digits than its factorization.

54186668145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33367 (or 33361 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The spelling of 54186668145 in words is "fifty-four billion, one hundred eighty-six million, six hundred sixty-eight thousand, one hundred forty-five".