102166011 has 12 divisors (see below), whose sum is σ = 147782440. Its totient is φ = 68014080.

The previous prime is 102166007. The next prime is 102166013. The reversal of 102166011 is 110661201.

102166011 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 660 + 1 + 1 = 666.

It is not a de Polignac number, because 102166011 - 2² = 102166007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102166013) 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, 1030 + ... + 14331.

Almost surely, 2^102166011 is an apocalyptic number.

102166011 is a deficient number, since it is larger than the sum of its proper divisors (45616429).

102166011 is a wasteful number, since it uses less digits than its factorization.

102166011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16106 (or 16103 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 102166011 is about 10107.7203661360. The cubic root of 102166011 is about 467.4862184352.

The spelling of 102166011 in words is "one hundred two million, one hundred sixty-six thousand, eleven".