36665737007 has 4 divisors (see below), whose sum is σ = 36675168960. Its totient is φ = 36656305056.

The previous prime is 36665736983. The next prime is 36665737067. The reversal of 36665737007 is 70073756663.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36665737007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36665737067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4710143 + ... + 4717920.

It is an arithmetic number, because the mean of its divisors is an integer number (9168792240).

Almost surely, 2^36665737007 is an apocalyptic number.

36665737007 is a deficient number, since it is larger than the sum of its proper divisors (9431953).

36665737007 is an equidigital number, since it uses as much as digits as its factorization.

36665737007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431952.

The product of its (nonzero) digits is 3333960, while the sum is 50.

The spelling of 36665737007 in words is "thirty-six billion, six hundred sixty-five million, seven hundred thirty-seven thousand, seven".