18183176945916 has 48 divisors (see below), whose sum is σ = 44344305406464. Its totient is φ = 5788076982336.

The previous prime is 18183176945903. The next prime is 18183176945933. The reversal of 18183176945916 is 61954967138181.

It is a super-2 number, since 2×18183176945916² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53567416 + ... + 53905791.

It is an arithmetic number, because the mean of its divisors is an integer number (923839695968).

Almost surely, 2^{18183176945916} is an apocalyptic number.

It is an amenable number.

18183176945916 is an abundant number, since it is smaller than the sum of its proper divisors (26161128460548).

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

18183176945916 is a wasteful number, since it uses less digits than its factorization.

18183176945916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107473850 (or 107473848 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 69.

The spelling of 18183176945916 in words is "eighteen trillion, one hundred eighty-three billion, one hundred seventy-six million, nine hundred forty-five thousand, nine hundred sixteen".