807966018 has 24 divisors (see below), whose sum is σ = 1758451968. Its totient is φ = 268112952.

The previous prime is 807966017. The next prime is 807966031. The reversal of 807966018 is 810669708.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (807966017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96630 + ... + 104657.

It is an arithmetic number, because the mean of its divisors is an integer number (73268832).

Almost surely, 2^807966018 is an apocalyptic number.

807966018 is an abundant number, since it is smaller than the sum of its proper divisors (950485950).

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

807966018 is a wasteful number, since it uses less digits than its factorization.

807966018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201518 (or 201515 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 807966018 is about 28424.7430595247. The cubic root of 807966018 is about 931.3888440760.

The spelling of 807966018 in words is "eight hundred seven million, nine hundred sixty-six thousand, eighteen".