23630077666 has 24 divisors (see below), whose sum is σ = 38905593300. Its totient is φ = 10700379456.

The previous prime is 23630077661. The next prime is 23630077687. The reversal of 23630077666 is 66677003632.

It can be written as a sum of positive squares in 6 ways, for example, as 11821995441 + 11808082225 = 108729^2 + 108665^2 .

It is not an unprimeable number, because it can be changed into a prime (23630077661) 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 11 ways as a sum of consecutive naturals, for example, 88741 + ... + 234808.

Almost surely, 2^23630077666 is an apocalyptic number.

23630077666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23630077666 is a deficient number, since it is larger than the sum of its proper divisors (15275515634).

23630077666 is a wasteful number, since it uses less digits than its factorization.

23630077666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323670 (or 323617 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 46.

The spelling of 23630077666 in words is "twenty-three billion, six hundred thirty million, seventy-seven thousand, six hundred sixty-six".