23868686618 has 32 divisors (see below), whose sum is σ = 41554349568. Its totient is φ = 10070478000.

The previous prime is 23868686599. The next prime is 23868686683. The reversal of 23868686618 is 81668686832.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1691693 + ... + 1705743.

It is an arithmetic number, because the mean of its divisors is an integer number (1298573424).

Almost surely, 2^23868686618 is an apocalyptic number.

23868686618 is a deficient number, since it is larger than the sum of its proper divisors (17685662950).

23868686618 is a wasteful number, since it uses less digits than its factorization.

23868686618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15938.

The product of its digits is 31850496, while the sum is 62.

The spelling of 23868686618 in words is "twenty-three billion, eight hundred sixty-eight million, six hundred eighty-six thousand, six hundred eighteen".