8501016663 has 10 divisors (see below), whose sum is σ = 12699049704. Its totient is φ = 5667344388.

The previous prime is 8501016631. The next prime is 8501016677. The reversal of 8501016663 is 3666101058.

It is a happy number.

8501016663 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 8501016663 - 2⁵ = 8501016631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8501016763) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 52475331 + ... + 52475492.

Almost surely, 2^8501016663 is an apocalyptic number.

8501016663 is a deficient number, since it is larger than the sum of its proper divisors (4198033041).

8501016663 is a wasteful number, since it uses less digits than its factorization.

8501016663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104950835 (or 104950826 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 8501016663 is about 92200.9580373219. The cubic root of 8501016663 is about 2040.9089137486.

The spelling of 8501016663 in words is "eight billion, five hundred one million, sixteen thousand, six hundred sixty-three".