9916117455 has 64 divisors (see below), whose sum is σ = 16343728128. Its totient is φ = 5132574720.

The previous prime is 9916117447. The next prime is 9916117457. The reversal of 9916117455 is 5547116199.

It is not a de Polignac number, because 9916117455 - 2³ = 9916117447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9916117457) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19032595 + ... + 19033115.

It is an arithmetic number, because the mean of its divisors is an integer number (255370752).

Almost surely, 2^9916117455 is an apocalyptic number.

9916117455 is a deficient number, since it is larger than the sum of its proper divisors (6427610673).

9916117455 is a wasteful number, since it uses less digits than its factorization.

9916117455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its digits is 340200, while the sum is 48.

The square root of 9916117455 is about 99579.7040314943. The cubic root of 9916117455 is about 2148.3937853705.

The spelling of 9916117455 in words is "nine billion, nine hundred sixteen million, one hundred seventeen thousand, four hundred fifty-five".