66836360106 has 24 divisors (see below), whose sum is σ = 145375594884. Its totient is φ = 22192097280.

The previous prime is 66836360089. The next prime is 66836360111. The reversal of 66836360106 is 60106363866.

It is a happy number.

66836360106 is a `hidden beast` number, since 6 + 6 + 8 + 3 + 636 + 0 + 1 + 0 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 46328688081 + 20507672025 = 215241^2 + 143205^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7219365 + ... + 7228616.

Almost surely, 2^66836360106 is an apocalyptic number.

66836360106 is an abundant number, since it is smaller than the sum of its proper divisors (78539234778).

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

66836360106 is a wasteful number, since it uses less digits than its factorization.

66836360106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14448246 (or 14448243 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 66836360106 in words is "sixty-six billion, eight hundred thirty-six million, three hundred sixty thousand, one hundred six".