18612073127648 has 192 divisors, whose sum is σ = 51787735534080. Its totient is φ = 6341354956800.

The previous prime is 18612073127617. The next prime is 18612073127701. The reversal of 18612073127648 is 84672137021681.

It is a super-2 number, since 2×18612073127648² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 18612073127593 and 18612073127602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14682083 + ... + 15899298.

It is an arithmetic number, because the mean of its divisors is an integer number (269727789240).

Almost surely, 2^{18612073127648} is an apocalyptic number.

It is an amenable number.

18612073127648 is an abundant number, since it is smaller than the sum of its proper divisors (33175662406432).

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

18612073127648 is a wasteful number, since it uses less digits than its factorization.

18612073127648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30581441 (or 30581433 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 18612073127648 in words is "eighteen trillion, six hundred twelve billion, seventy-three million, one hundred twenty-seven thousand, six hundred forty-eight".