851412018 has 8 divisors (see below), whose sum is σ = 1702824048. Its totient is φ = 283804004.

The previous prime is 851412017. The next prime is 851412031. The reversal of 851412018 is 810214158.

It is a happy number.

851412018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

851412018 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (851412013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70950996 + ... + 70951007.

It is an arithmetic number, because the mean of its divisors is an integer number (212853006).

Almost surely, 2^851412018 is an apocalyptic number.

851412018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

851412018 is a wasteful number, since it uses less digits than its factorization.

851412018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141902008.

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 851412018 is about 29178.9653346379. The cubic root of 851412018 is about 947.7924802581.

The spelling of 851412018 in words is "eight hundred fifty-one million, four hundred twelve thousand, eighteen".