1106631720 has 192 divisors, whose sum is σ = 3752723520. Its totient is φ = 293289984.

The previous prime is 1106631719. The next prime is 1106631727. The reversal of 1106631720 is 271366011.

1106631720 is a `hidden beast` number, since 1 + 1 + 0 + 6 + 631 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1106631727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2497819 + ... + 2498261.

It is an arithmetic number, because the mean of its divisors is an integer number (19545435).

Almost surely, 2^1106631720 is an apocalyptic number.

1106631720 is a gapful number since it is divisible by the number (10) 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 1106631720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1876361760).

1106631720 is an abundant number, since it is smaller than the sum of its proper divisors (2646091800).

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

1106631720 is a wasteful number, since it uses less digits than its factorization.

1106631720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1106631720 is about 33266.0746106300. The cubic root of 1106631720 is about 1034.3504430907.

Adding to 1106631720 its reverse (271366011), we get a palindrome (1377997731).

The spelling of 1106631720 in words is "one billion, one hundred six million, six hundred thirty-one thousand, seven hundred twenty".