366366663663 has 192 divisors, whose sum is σ = 696973455360. Its totient is φ = 168076339200.

The previous prime is 366366663613. The next prime is 366366663679.

366366663663 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 366366663663 - 2¹² = 366366659567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 366366663597 and 366366663606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366366663613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 57993781 + ... + 58000097.

It is an arithmetic number, because the mean of its divisors is an integer number (3630070080).

Almost surely, 2^366366663663 is an apocalyptic number.

366366663663 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

366366663663 is a deficient number, since it is larger than the sum of its proper divisors (330606791697).

366366663663 is a wasteful number, since it uses less digits than its factorization.

366366663663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6478 (or 6471 counting only the distinct ones).

The product of its digits is 136048896, while the sum is 60.

The spelling of 366366663663 in words is "three hundred sixty-six billion, three hundred sixty-six million, six hundred sixty-three thousand, six hundred sixty-three".