18868001696 has 96 divisors (see below), whose sum is σ = 39211941888. Its totient is φ = 8924497920.

The previous prime is 18868001689. The next prime is 18868001717. The reversal of 18868001696 is 69610086881.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (53).

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, 20136140 + ... + 20137076.

It is an arithmetic number, because the mean of its divisors is an integer number (408457728).

Almost surely, 2^18868001696 is an apocalyptic number.

18868001696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18868001696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19605970944).

18868001696 is an abundant number, since it is smaller than the sum of its proper divisors (20343940192).

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

18868001696 is a wasteful number, since it uses less digits than its factorization.

18868001696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 18868001696 in words is "eighteen billion, eight hundred sixty-eight million, one thousand, six hundred ninety-six".