36636668 has 24 divisors (see below), whose sum is σ = 66447360. Its totient is φ = 17656560.

The previous prime is 36636667. The next prime is 36636671. The reversal of 36636668 is 86663663.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36636667) 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, 44105 + ... + 44927.

It is an arithmetic number, because the mean of its divisors is an integer number (2768640).

Almost surely, 2^36636668 is an apocalyptic number.

It is an amenable number.

36636668 is a deficient number, since it is larger than the sum of its proper divisors (29810692).

36636668 is a wasteful number, since it uses less digits than its factorization.

36636668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217 (or 1215 counting only the distinct ones).

The product of its digits is 559872, while the sum is 44.

The square root of 36636668 is about 6052.8231429640. The cubic root of 36636668 is about 332.1278720667.

The spelling of 36636668 in words is "thirty-six million, six hundred thirty-six thousand, six hundred sixty-eight".