36666999 has 12 divisors (see below), whose sum is σ = 54925416. Its totient is φ = 24444504.

The previous prime is 36666967. The next prime is 36667061. The reversal of 36666999 is 99966663.

It is not a de Polignac number, because 36666999 - 2⁵ = 36666967 is a prime.

It is a plaindrome in base 10 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36666299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75204 + ... + 75689.

It is an arithmetic number, because the mean of its divisors is an integer number (4577118).

Almost surely, 2^36666999 is an apocalyptic number.

36666999 is a deficient number, since it is larger than the sum of its proper divisors (18258417).

36666999 is an equidigital number, since it uses as much as digits as its factorization.

36666999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150908 (or 150896 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 54.

The square root of 36666999 is about 6055.3281496546. The cubic root of 36666999 is about 332.2195015037.

The spelling of 36666999 in words is "thirty-six million, six hundred sixty-six thousand, nine hundred ninety-nine".