8018666790 has 32 divisors (see below), whose sum is σ = 19248039936. Its totient is φ = 2137951200.

The previous prime is 8018666783. The next prime is 8018666791. The reversal of 8018666790 is 976668108.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8018666791) by changing a digit.

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, 192315 + ... + 230265.

It is an arithmetic number, because the mean of its divisors is an integer number (601501248).

Almost surely, 2^8018666790 is an apocalyptic number.

8018666790 is an abundant number, since it is smaller than the sum of its proper divisors (11229373146).

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

8018666790 is a wasteful number, since it uses less digits than its factorization.

8018666790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45004.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 8018666790 is about 89547.0088277660. The cubic root of 8018666790 is about 2001.5543575068.

The spelling of 8018666790 in words is "eight billion, eighteen million, six hundred sixty-six thousand, seven hundred ninety".