16166011 has 4 divisors (see below), whose sum is σ = 16178032. Its totient is φ = 16153992.

The previous prime is 16166009. The next prime is 16166041. The reversal of 16166011 is 11066161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11066161 = 2591 ⋅4271.

It is a cyclic number.

It is not a de Polignac number, because 16166011 - 2¹ = 16166009 is a prime.

It is a super-2 number, since 2×16166011² = 522679823304242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16166041) 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, 3696 + ... + 6781.

It is an arithmetic number, because the mean of its divisors is an integer number (4044508).

Almost surely, 2^16166011 is an apocalyptic number.

16166011 is a deficient number, since it is larger than the sum of its proper divisors (12021).

16166011 is a wasteful number, since it uses less digits than its factorization.

16166011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12020.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 16166011 is about 4020.6978250050. The cubic root of 16166011 is about 252.8527162252.

The spelling of 16166011 in words is "sixteen million, one hundred sixty-six thousand, eleven".