8136668 has 12 divisors (see below), whose sum is σ = 14473032. Its totient is φ = 4001520.

The previous prime is 8136649. The next prime is 8136677. The reversal of 8136668 is 8666318.

It is a super-2 number, since 2×8136668² = 132410732284448, which contains 22 as substring.

It is a congruent number.

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, 16430 + ... + 16917.

It is an arithmetic number, because the mean of its divisors is an integer number (1206086).

Almost surely, 2^8136668 is an apocalyptic number.

It is an amenable number.

8136668 is a deficient number, since it is larger than the sum of its proper divisors (6336364).

8136668 is a wasteful number, since it uses less digits than its factorization.

8136668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33412 (or 33410 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 8136668 is about 2852.4845310711. The cubic root of 8136668 is about 201.1324753941.

The spelling of 8136668 in words is "eight million, one hundred thirty-six thousand, six hundred sixty-eight".