36621812663 has 8 divisors (see below), whose sum is σ = 37517546976. Its totient is φ = 35726198400.

The previous prime is 36621812659. The next prime is 36621812699.

It is a happy number.

36621812663 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 36621812663 - 2² = 36621812659 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 (36621812653) 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, 1110470 + ... + 1142972.

It is an arithmetic number, because the mean of its divisors is an integer number (4689693372).

Almost surely, 2^36621812663 is an apocalyptic number.

36621812663 is a deficient number, since it is larger than the sum of its proper divisors (895734313).

36621812663 is a wasteful number, since it uses less digits than its factorization.

36621812663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60025.

The product of its digits is 373248, while the sum is 44.

The spelling of 36621812663 in words is "thirty-six billion, six hundred twenty-one million, eight hundred twelve thousand, six hundred sixty-three".