1166628634 has 8 divisors (see below), whose sum is σ = 1750236660. Its totient is φ = 583216416.

The previous prime is 1166628623. The next prime is 1166628647. The reversal of 1166628634 is 4368266611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1140075225 + 26553409 = 33765^2 + 5153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1166628634² = 2722044739337411912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33019 + ... + 58510.

Almost surely, 2^1166628634 is an apocalyptic number.

1166628634 is a deficient number, since it is larger than the sum of its proper divisors (583608026).

1166628634 is an equidigital number, since it uses as much as digits as its factorization.

1166628634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97904.

The product of its digits is 248832, while the sum is 43.

The square root of 1166628634 is about 34155.9458074286. The cubic root of 1166628634 is about 1052.7151600566.

The spelling of 1166628634 in words is "one billion, one hundred sixty-six million, six hundred twenty-eight thousand, six hundred thirty-four".