1117498816 has 56 divisors (see below), whose sum is σ = 2537561600. Its totient is φ = 478317312.

The previous prime is 1117498801. The next prime is 1117498817. The reversal of 1117498816 is 6188947111.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×1117498816² = 2497607207522803712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117498817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625861 + ... + 627643.

It is an arithmetic number, because the mean of its divisors is an integer number (45313600).

Almost surely, 2^1117498816 is an apocalyptic number.

1117498816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1117498816 is an abundant number, since it is smaller than the sum of its proper divisors (1420062784).

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

1117498816 is a wasteful number, since it uses less digits than its factorization.

1117498816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201 (or 3191 counting only the distinct ones).

The product of its digits is 96768, while the sum is 46.

The square root of 1117498816 is about 33429.0115917297. The cubic root of 1117498816 is about 1037.7251856685.

The spelling of 1117498816 in words is "one billion, one hundred seventeen million, four hundred ninety-eight thousand, eight hundred sixteen".