1118528216 has 64 divisors (see below), whose sum is σ = 2324458080. Its totient is φ = 501304320.

The previous prime is 1118528207. The next prime is 1118528261. The reversal of 1118528216 is 6128258111.

It is a super-2 number, since 2×1118528216² = 2502210739976285312, which contains 22 as substring.

Its product of digits (7680) is a multiple of the sum of its prime divisors (1280).

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, 1180655 + ... + 1181601.

Almost surely, 2^1118528216 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 1118528216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162229040).

1118528216 is an abundant number, since it is smaller than the sum of its proper divisors (1205929864).

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

1118528216 is a wasteful number, since it uses less digits than its factorization.

1118528216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284 (or 1280 counting only the distinct ones).

The product of its digits is 7680, while the sum is 35.

The square root of 1118528216 is about 33444.4048534280. The cubic root of 1118528216 is about 1038.0437263394.

The spelling of 1118528216 in words is "one billion, one hundred eighteen million, five hundred twenty-eight thousand, two hundred sixteen".