8316436644 has 48 divisors (see below), whose sum is σ = 21608440000. Its totient is φ = 2766063168.

The previous prime is 8316436637. The next prime is 8316436651. The reversal of 8316436644 is 4466346138.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8316436637) and next prime (8316436651).

It is a super-3 number, since 3×8316436644³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8316436644.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34894 + ... + 133605.

Almost surely, 2^8316436644 is an apocalyptic number.

It is an amenable number.

8316436644 is an abundant number, since it is smaller than the sum of its proper divisors (13292003356).

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

8316436644 is a wasteful number, since it uses less digits than its factorization.

8316436644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168969 (or 168961 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The square root of 8316436644 is about 91194.4989788310. The cubic root of 8316436644 is about 2026.0294836683.

The spelling of 8316436644 in words is "eight billion, three hundred sixteen million, four hundred thirty-six thousand, six hundred forty-four".