36664477446663 has 60 divisors (see below), whose sum is σ = 60264232945800. Its totient is φ = 21454655412960.

The previous prime is 36664477446539. The next prime is 36664477446697.

36664477446663 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 36664477446663 - 2⁸ = 36664477446407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36664477446591 and 36664477446600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36664477445663) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 976081 + ... + 8618682.

It is an arithmetic number, because the mean of its divisors is an integer number (1004403882430).

Almost surely, 2^{36664477446663} is an apocalyptic number.

36664477446663 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

36664477446663 is a deficient number, since it is larger than the sum of its proper divisors (23599755499137).

36664477446663 is an equidigital number, since it uses as much as digits as its factorization.

36664477446663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9594842 (or 9594806 counting only the distinct ones).

The product of its digits is 5267275776, while the sum is 72.

The spelling of 36664477446663 in words is "thirty-six trillion, six hundred sixty-four billion, four hundred seventy-seven million, four hundred forty-six thousand, six hundred sixty-three".