66141018 has 24 divisors (see below), whose sum is σ = 144170208. Its totient is φ = 21913992.

The previous prime is 66141017. The next prime is 66141029. The reversal of 66141018 is 81014166.

It is a junction number, because it is equal to n+sod(n) for n = 66140982 and 66141000.

It is not an unprimeable number, because it can be changed into a prime (66141013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7996 + ... + 14007.

It is an arithmetic number, because the mean of its divisors is an integer number (6007092).

Almost surely, 2^66141018 is an apocalyptic number.

66141018 is an abundant number, since it is smaller than the sum of its proper divisors (78029190).

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

66141018 is a wasteful number, since it uses less digits than its factorization.

66141018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22178 (or 22175 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 66141018 is about 8132.7128315218. The cubic root of 66141018 is about 404.4116193276.

The spelling of 66141018 in words is "sixty-six million, one hundred forty-one thousand, eighteen".