1229655166 has 8 divisors (see below), whose sum is σ = 1845298224. Its totient is φ = 614555760.

The previous prime is 1229655127. The next prime is 1229655179. The reversal of 1229655166 is 6615569221.

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

It is a congruent number.

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, 130210 + ... + 139333.

It is an arithmetic number, because the mean of its divisors is an integer number (230662278).

Almost surely, 2^1229655166 is an apocalyptic number.

1229655166 is a deficient number, since it is larger than the sum of its proper divisors (615643058).

1229655166 is a wasteful number, since it uses less digits than its factorization.

1229655166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271826.

The product of its digits is 194400, while the sum is 43.

The square root of 1229655166 is about 35066.4393116838. The cubic root of 1229655166 is about 1071.3411331294.

The spelling of 1229655166 in words is "one billion, two hundred twenty-nine million, six hundred fifty-five thousand, one hundred sixty-six".