8351616 has 128 divisors (see below), whose sum is σ = 27417600. Its totient is φ = 2193408.

The previous prime is 8351597. The next prime is 8351633. The reversal of 8351616 is 6161538.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×8351616² = 139498979622912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34825 + ... + 35063.

It is an arithmetic number, because the mean of its divisors is an integer number (214200).

Almost surely, 2^8351616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8351616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13708800).

8351616 is an abundant number, since it is smaller than the sum of its proper divisors (19065984).

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

8351616 is a wasteful number, since it uses less digits than its factorization.

8351616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 264 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 8351616 is about 2889.9162617626. The cubic root of 8351616 is about 202.8882233860. Note that the first 3 decimals are identical.

The spelling of 8351616 in words is "eight million, three hundred fifty-one thousand, six hundred sixteen".