812045066 has 32 divisors (see below), whose sum is σ = 1515888000. Its totient is φ = 318330432.

The previous prime is 812045053. The next prime is 812045077. The reversal of 812045066 is 660540218.

812045066 is a modest number, since divided by 45066 gives 812 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44921 + ... + 60348.

It is an arithmetic number, because the mean of its divisors is an integer number (47371500).

Almost surely, 2^812045066 is an apocalyptic number.

812045066 is a deficient number, since it is larger than the sum of its proper divisors (703842934).

812045066 is a wasteful number, since it uses less digits than its factorization.

812045066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105326.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 812045066 is about 28496.4044398587. The cubic root of 812045066 is about 932.9535981016.

The spelling of 812045066 in words is "eight hundred twelve million, forty-five thousand, sixty-six".