16166636 has 12 divisors (see below), whose sum is σ = 28337400. Its totient is φ = 8070240.

The previous prime is 16166627. The next prime is 16166641. The reversal of 16166636 is 63666161.

It is a super-2 number, since 2×16166636² = 522720239112992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16166596 and 16166605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161 + ... + 5688.

It is an arithmetic number, because the mean of its divisors is an integer number (2361450).

Almost surely, 2^16166636 is an apocalyptic number.

It is an amenable number.

16166636 is a deficient number, since it is larger than the sum of its proper divisors (12170764).

16166636 is a wasteful number, since it uses less digits than its factorization.

16166636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6544 (or 6542 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 16166636 is about 4020.7755470804. The cubic root of 16166636 is about 252.8559747267.

The spelling of 16166636 in words is "sixteen million, one hundred sixty-six thousand, six hundred thirty-six".