36664523503 has 4 divisors (see below), whose sum is σ = 36673108288. Its totient is φ = 36655938720.

The previous prime is 36664523473. The next prime is 36664523513. The reversal of 36664523503 is 30532546663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30532546663 = 109 ⋅280115107.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36664523503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36664523503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36664523513) 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 3 ways as a sum of consecutive naturals, for example, 4285983 + ... + 4294528.

It is an arithmetic number, because the mean of its divisors is an integer number (9168277072).

Almost surely, 2^36664523503 is an apocalyptic number.

36664523503 is a deficient number, since it is larger than the sum of its proper divisors (8584785).

36664523503 is an equidigital number, since it uses as much as digits as its factorization.

36664523503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8584784.

The product of its (nonzero) digits is 1166400, while the sum is 43.

The spelling of 36664523503 in words is "thirty-six billion, six hundred sixty-four million, five hundred twenty-three thousand, five hundred three".