8551638843416 has 16 divisors (see below), whose sum is σ = 16273641083640. Its totient is φ = 4212001221120.

The previous prime is 8551638843403. The next prime is 8551638843509. The reversal of 8551638843416 is 6143488361558.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7977274505 + ... + 7977275576.

Almost surely, 2^{8551638843416} is an apocalyptic number.

It is an amenable number.

8551638843416 is a deficient number, since it is larger than the sum of its proper divisors (7722002240224).

8551638843416 is a wasteful number, since it uses less digits than its factorization.

8551638843416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15954550154 (or 15954550150 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 62.

The spelling of 8551638843416 in words is "eight trillion, five hundred fifty-one billion, six hundred thirty-eight million, eight hundred forty-three thousand, four hundred sixteen".