8216709446 has 16 divisors (see below), whose sum is σ = 13453129728. Its totient is φ = 3732755400.

The previous prime is 8216709443. The next prime is 8216709469. The reversal of 8216709446 is 6449076128.

It is a self number, because there is not a number n which added to its sum of digits gives 8216709446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8216709443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65510 + ... + 143961.

It is an arithmetic number, because the mean of its divisors is an integer number (840820608).

Almost surely, 2^8216709446 is an apocalyptic number.

8216709446 is a deficient number, since it is larger than the sum of its proper divisors (5236420282).

8216709446 is a wasteful number, since it uses less digits than its factorization.

8216709446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211267.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 8216709446 is about 90646.0669086089. The cubic root of 8216709446 is about 2017.8984651506.

The spelling of 8216709446 in words is "eight billion, two hundred sixteen million, seven hundred nine thousand, four hundred forty-six".