1115166416 has 80 divisors (see below), whose sum is σ = 2668829184. Its totient is φ = 439575552.

The previous prime is 1115166407. The next prime is 1115166419. The reversal of 1115166416 is 6146615111.

It is a super-2 number, since 2×1115166416² = 2487192270748570112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115166419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454505 + ... + 456951.

Almost surely, 2^1115166416 is an apocalyptic number.

1115166416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115166416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334414592).

1115166416 is an abundant number, since it is smaller than the sum of its proper divisors (1553662768).

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

1115166416 is a wasteful number, since it uses less digits than its factorization.

1115166416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788 (or 2782 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

The square root of 1115166416 is about 33394.1075041691. The cubic root of 1115166416 is about 1037.0027162698.

The spelling of 1115166416 in words is "one billion, one hundred fifteen million, one hundred sixty-six thousand, four hundred sixteen".