1166622210 has 192 divisors, whose sum is σ = 3464760960. Its totient is φ = 279002880.

The previous prime is 1166622199. The next prime is 1166622217. The reversal of 1166622210 is 122266611.

It is a super-2 number, since 2×1166622210² = 2722014761730568200, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1166622217) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1687965 + ... + 1688655.

It is an arithmetic number, because the mean of its divisors is an integer number (18045630).

Almost surely, 2^1166622210 is an apocalyptic number.

1166622210 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 1166622210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1732380480).

1166622210 is an abundant number, since it is smaller than the sum of its proper divisors (2298138750).

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

1166622210 is a wasteful number, since it uses less digits than its factorization.

1166622210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1166622210 is about 34155.8517680353. The cubic root of 1166622210 is about 1052.7132278065.

Adding to 1166622210 its reverse (122266611), we get a palindrome (1288888821).

The spelling of 1166622210 in words is "one billion, one hundred sixty-six million, six hundred twenty-two thousand, two hundred ten".