2023660203666 has 48 divisors (see below), whose sum is σ = 4247030773056. Its totient is φ = 642357769824.

The previous prime is 2023660203661. The next prime is 2023660203689. The reversal of 2023660203666 is 6663020663202.

It is not an unprimeable number, because it can be changed into a prime (2023660203661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1572886 + ... + 2553681.

It is an arithmetic number, because the mean of its divisors is an integer number (88479807772).

Almost surely, 2^{2023660203666} is an apocalyptic number.

2023660203666 is an abundant number, since it is smaller than the sum of its proper divisors (2223370569390).

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

2023660203666 is a wasteful number, since it uses less digits than its factorization.

2023660203666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126703 (or 4126656 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 42.

Adding to 2023660203666 its reverse (6663020663202), we get a palindrome (8686680866868).

The spelling of 2023660203666 in words is "two trillion, twenty-three billion, six hundred sixty million, two hundred three thousand, six hundred sixty-six".