366328503636666 has 16 divisors (see below), whose sum is σ = 732662927449824. Its totient is φ = 122108514516144.

The previous prime is 366328503636661. The next prime is 366328503636671. The reversal of 366328503636666 is 666636305823663.

It is an interprime number because it is at equal distance from previous prime (366328503636661) and next prime (366328503636671).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 366328503636666.

It is not an unprimeable number, because it can be changed into a prime (366328503636661) 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, 245869405 + ... + 247354848.

It is an arithmetic number, because the mean of its divisors is an integer number (45791432965614).

Almost surely, 2^{366328503636666} is an apocalyptic number.

366328503636666 is an abundant number, since it is smaller than the sum of its proper divisors (366334423813158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

366328503636666 is a wasteful number, since it uses less digits than its factorization.

366328503636666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493348045.

The product of its (nonzero) digits is 1813985280, while the sum is 69.

The spelling of 366328503636666 in words is "three hundred sixty-six trillion, three hundred twenty-eight billion, five hundred three million, six hundred thirty-six thousand, six hundred sixty-six".