166635141271108 has 12 divisors (see below), whose sum is σ = 291689740206592. Its totient is φ = 83295215497800.

The previous prime is 166635141271103. The next prime is 166635141271141. The reversal of 166635141271108 is 801172141536661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (166635141271103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5588767668 + ... + 5588797483.

Almost surely, 2^{166635141271108} is an apocalyptic number.

It is an amenable number.

166635141271108 is a deficient number, since it is larger than the sum of its proper divisors (125054598935484).

166635141271108 is a wasteful number, since it uses less digits than its factorization.

166635141271108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11177568882 (or 11177568880 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 166635141271108 in words is "one hundred sixty-six trillion, six hundred thirty-five billion, one hundred forty-one million, two hundred seventy-one thousand, one hundred eight".