1112817664 has 120 divisors (see below), whose sum is σ = 2633942528. Its totient is φ = 460062720.

The previous prime is 1112817653. The next prime is 1112817677. The reversal of 1112817664 is 4667182111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3555172 + ... + 3555484.

Almost surely, 2^1112817664 is an apocalyptic number.

1112817664 is a gapful number since it is divisible by the number (14) 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 1112817664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1316971264).

1112817664 is an abundant number, since it is smaller than the sum of its proper divisors (1521124864).

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

1112817664 is an frugal number, since it uses more digits than its factorization.

1112817664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 353 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The square root of 1112817664 is about 33358.9218051183. The cubic root of 1112817664 is about 1036.2741630657.

Adding to 1112817664 its reverse (4667182111), we get a palindrome (5779999775).

The spelling of 1112817664 in words is "one billion, one hundred twelve million, eight hundred seventeen thousand, six hundred sixty-four".