166366011 has 32 divisors (see below), whose sum is σ = 268392960. Its totient is φ = 89639424.

The previous prime is 166366007. The next prime is 166366037. The reversal of 166366011 is 110663661.

It is not a de Polignac number, because 166366011 - 2² = 166366007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166366011.

It is not an unprimeable number, because it can be changed into a prime (166366111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23011 + ... + 29363.

It is an arithmetic number, because the mean of its divisors is an integer number (8387280).

Almost surely, 2^166366011 is an apocalyptic number.

166366011 is a deficient number, since it is larger than the sum of its proper divisors (102026949).

166366011 is a wasteful number, since it uses less digits than its factorization.

166366011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 166366011 is about 12898.2948873097. The cubic root of 166366011 is about 549.9900945874.

The spelling of 166366011 in words is "one hundred sixty-six million, three hundred sixty-six thousand, eleven".