811616466 has 8 divisors (see below), whose sum is σ = 1623232944. Its totient is φ = 270538820.

The previous prime is 811616461. The next prime is 811616467. The reversal of 811616466 is 664616118.

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

811616466 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (811616461) 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, 67634700 + ... + 67634711.

It is an arithmetic number, because the mean of its divisors is an integer number (202904118).

Almost surely, 2^811616466 is an apocalyptic number.

811616466 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.

811616466 is a wasteful number, since it uses less digits than its factorization.

811616466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135269416.

The product of its digits is 41472, while the sum is 39.

The square root of 811616466 is about 28488.8832002941. The cubic root of 811616466 is about 932.7894305780.

The spelling of 811616466 in words is "eight hundred eleven million, six hundred sixteen thousand, four hundred sixty-six".