8149890718 has 8 divisors (see below), whose sum is σ = 12243332520. Its totient is φ = 4068779880.

The previous prime is 8149890691. The next prime is 8149890733. The reversal of 8149890718 is 8170989418.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3081088 + ... + 3083731.

It is an arithmetic number, because the mean of its divisors is an integer number (1530416565).

Almost surely, 2^8149890718 is an apocalyptic number.

8149890718 is a deficient number, since it is larger than the sum of its proper divisors (4093441802).

8149890718 is a wasteful number, since it uses less digits than its factorization.

8149890718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6165482.

The product of its (nonzero) digits is 1161216, while the sum is 55.

The square root of 8149890718 is about 90276.7451672910. The cubic root of 8149890718 is about 2012.4136839798.

The spelling of 8149890718 in words is "eight billion, one hundred forty-nine million, eight hundred ninety thousand, seven hundred eighteen".