9916889015 has 16 divisors (see below), whose sum is σ = 12984606720. Its totient is φ = 7210895520.

The previous prime is 9916889009. The next prime is 9916889027. The reversal of 9916889015 is 5109886199.

It is not a de Polignac number, because 9916889015 - 2⁶ = 9916888951 is a prime.

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, 336026 + ... + 364344.

It is an arithmetic number, because the mean of its divisors is an integer number (811537920).

Almost surely, 2^9916889015 is an apocalyptic number.

9916889015 is a deficient number, since it is larger than the sum of its proper divisors (3067717705).

9916889015 is a wasteful number, since it uses less digits than its factorization.

9916889015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34702.

The product of its (nonzero) digits is 1399680, while the sum is 56.

The square root of 9916889015 is about 99583.5780387509. The cubic root of 9916889015 is about 2148.4495051528.

The spelling of 9916889015 in words is "nine billion, nine hundred sixteen million, eight hundred eighty-nine thousand, fifteen".