1116345090 has 64 divisors (see below), whose sum is σ = 3074319360. Its totient is φ = 254136000.

The previous prime is 1116345029. The next prime is 1116345091. The reversal of 1116345090 is 905436111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1116345091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42121 + ... + 63299.

It is an arithmetic number, because the mean of its divisors is an integer number (48036240).

Almost surely, 2^1116345090 is an apocalyptic number.

1116345090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116345090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1537159680).

1116345090 is an abundant number, since it is smaller than the sum of its proper divisors (1957974270).

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

1116345090 is a wasteful number, since it uses less digits than its factorization.

1116345090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21447.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1116345090 is about 33411.7507772340. The cubic root of 1116345090 is about 1037.3679406114.

The spelling of 1116345090 in words is "one billion, one hundred sixteen million, three hundred forty-five thousand, ninety".