166102811 has 8 divisors (see below), whose sum is σ = 191574240. Its totient is φ = 141067008.

The previous prime is 166102799. The next prime is 166102819. The reversal of 166102811 is 118201661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166102811 - 2¹⁸ = 165840667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166102819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108086 + ... + 109611.

It is an arithmetic number, because the mean of its divisors is an integer number (23946780).

Almost surely, 2^166102811 is an apocalyptic number.

166102811 is a deficient number, since it is larger than the sum of its proper divisors (25471429).

166102811 is a wasteful number, since it uses less digits than its factorization.

166102811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217813.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 166102811 is about 12888.0879497309. The cubic root of 166102811 is about 549.6999035058.

The spelling of 166102811 in words is "one hundred sixty-six million, one hundred two thousand, eight hundred eleven".