18629800068 has 48 divisors (see below), whose sum is σ = 47494149696. Its totient is φ = 5636722560.

The previous prime is 18629800051. The next prime is 18629800103. The reversal of 18629800068 is 86000892681.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21871 + ... + 194262.

It is an arithmetic number, because the mean of its divisors is an integer number (989461452).

Almost surely, 2^18629800068 is an apocalyptic number.

It is an amenable number.

18629800068 is an abundant number, since it is smaller than the sum of its proper divisors (28864349628).

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

18629800068 is a wasteful number, since it uses less digits than its factorization.

18629800068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216804 (or 216802 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The spelling of 18629800068 in words is "eighteen billion, six hundred twenty-nine million, eight hundred thousand, sixty-eight".