806611716 has 144 divisors (see below), whose sum is σ = 2276908480. Its totient is φ = 246758400.

The previous prime is 806611703. The next prime is 806611721. The reversal of 806611716 is 617116608.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1341816 + ... + 1342416.

Almost surely, 2^806611716 is an apocalyptic number.

806611716 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806611716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1138454240).

806611716 is an abundant number, since it is smaller than the sum of its proper divisors (1470296764).

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

806611716 is a wasteful number, since it uses less digits than its factorization.

806611716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 806611716 is about 28400.9104783632. The cubic root of 806611716 is about 930.8681591405.

The spelling of 806611716 in words is "eight hundred six million, six hundred eleven thousand, seven hundred sixteen".