36666587 has 8 divisors (see below), whose sum is σ = 37648800. Its totient is φ = 35688640.

The previous prime is 36666547. The next prime is 36666607. The reversal of 36666587 is 78566663.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36666587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36666517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23813 + ... + 25305.

It is an arithmetic number, because the mean of its divisors is an integer number (4706100).

Almost surely, 2^36666587 is an apocalyptic number.

36666587 is a deficient number, since it is larger than the sum of its proper divisors (982213).

36666587 is a wasteful number, since it uses less digits than its factorization.

36666587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133.

The product of its digits is 1088640, while the sum is 47.

The square root of 36666587 is about 6055.2941299329. The cubic root of 36666587 is about 332.2182571973.

The spelling of 36666587 in words is "thirty-six million, six hundred sixty-six thousand, five hundred eighty-seven".