66148560329112 has 40 divisors (see below), whose sum is σ = 185277217590300. Its totient is φ = 22049520109488.

The previous prime is 66148560329099. The next prime is 66148560329113. The reversal of 66148560329112 is 21192306584166.

66148560329112 is a `hidden beast` number, since 6 + 6 + 1 + 4 + 8 + 5 + 603 + 29 + 1 + 1 + 2 = 666.

It is a super-2 number, since 2×66148560329112² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66148560329113) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 51040555162 + ... + 51040556457.

Almost surely, 2^{66148560329112} is an apocalyptic number.

It is an amenable number.

66148560329112 is an abundant number, since it is smaller than the sum of its proper divisors (119128657261188).

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

66148560329112 is a wasteful number, since it uses less digits than its factorization.

66148560329112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102081111637 (or 102081111624 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 66148560329112 in words is "sixty-six trillion, one hundred forty-eight billion, five hundred sixty million, three hundred twenty-nine thousand, one hundred twelve".