36566533633 has 8 divisors (see below), whose sum is σ = 41792285952. Its totient is φ = 31341271776.

The previous prime is 36566533621. The next prime is 36566533687. The reversal of 36566533633 is 33633566563.

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-36566533633 is a prime.

It is a super-2 number, since 2×36566533633² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36566530633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54141 + ... + 275797.

It is an arithmetic number, because the mean of its divisors is an integer number (5224035744).

Almost surely, 2^36566533633 is an apocalyptic number.

It is an amenable number.

36566533633 is a deficient number, since it is larger than the sum of its proper divisors (5225752319).

36566533633 is a wasteful number, since it uses less digits than its factorization.

36566533633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245231.

The product of its digits is 7873200, while the sum is 49.

The spelling of 36566533633 in words is "thirty-six billion, five hundred sixty-six million, five hundred thirty-three thousand, six hundred thirty-three".