36651163223 has 4 divisors (see below), whose sum is σ = 37641735240. Its totient is φ = 35660591208.

The previous prime is 36651163183. The next prime is 36651163261. The reversal of 36651163223 is 32236115663.

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

It is a cyclic number.

It is not a de Polignac number, because 36651163223 - 2²⁴ = 36634386007 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 (36651193223) 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, 495285953 + ... + 495286026.

It is an arithmetic number, because the mean of its divisors is an integer number (9410433810).

Almost surely, 2^36651163223 is an apocalyptic number.

36651163223 is a deficient number, since it is larger than the sum of its proper divisors (990572017).

36651163223 is an equidigital number, since it uses as much as digits as its factorization.

36651163223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990572016.

The product of its digits is 116640, while the sum is 38.

Adding to 36651163223 its reverse (32236115663), we get a palindrome (68887278886).

The spelling of 36651163223 in words is "thirty-six billion, six hundred fifty-one million, one hundred sixty-three thousand, two hundred twenty-three".