8016664890 has 32 divisors (see below), whose sum is σ = 20719996416. Its totient is φ = 1973332800.

The previous prime is 8016664879. The next prime is 8016664907. The reversal of 8016664890 is 984666108.

8016664890 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10277386 + ... + 10278165.

It is an arithmetic number, because the mean of its divisors is an integer number (647499888).

Almost surely, 2^8016664890 is an apocalyptic number.

8016664890 is an abundant number, since it is smaller than the sum of its proper divisors (12703331526).

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

8016664890 is a wasteful number, since it uses less digits than its factorization.

8016664890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20555574.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 8016664890 is about 89535.8302022157. The cubic root of 8016664890 is about 2001.3877776472.

The spelling of 8016664890 in words is "eight billion, sixteen million, six hundred sixty-four thousand, eight hundred ninety".