1166213174 has 16 divisors (see below), whose sum is σ = 2018635008. Its totient is φ = 494952552.

The previous prime is 1166213171. The next prime is 1166213177. The reversal of 1166213174 is 4713126611.

It is an interprime number because it is at equal distance from previous prime (1166213171) and next prime (1166213177).

It is a super-2 number, since 2×1166213174² = 2720106334422308552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1166213174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166213171) 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, 402932 + ... + 405815.

It is an arithmetic number, because the mean of its divisors is an integer number (126164688).

Almost surely, 2^1166213174 is an apocalyptic number.

1166213174 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1166213174 is a deficient number, since it is larger than the sum of its proper divisors (852421834).

1166213174 is a wasteful number, since it uses less digits than its factorization.

1166213174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808859.

The product of its digits is 6048, while the sum is 32.

The square root of 1166213174 is about 34149.8634550711. The cubic root of 1166213174 is about 1052.5901808485.

Adding to 1166213174 its reverse (4713126611), we get a palindrome (5879339785).

The spelling of 1166213174 in words is "one billion, one hundred sixty-six million, two hundred thirteen thousand, one hundred seventy-four".