1267166958 has 8 divisors (see below), whose sum is σ = 2534333928. Its totient is φ = 422388984.

The previous prime is 1267166947. The next prime is 1267166987. The reversal of 1267166958 is 8596617621.

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

1267166958 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1267166958.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105597241 + ... + 105597252.

It is an arithmetic number, because the mean of its divisors is an integer number (316791741).

Almost surely, 2^1267166958 is an apocalyptic number.

1267166958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1267166958 is a wasteful number, since it uses less digits than its factorization.

1267166958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211194498.

The product of its digits is 1088640, while the sum is 51.

The square root of 1267166958 is about 35597.2886327035. The cubic root of 1267166958 is about 1082.1262860219.

The spelling of 1267166958 in words is "one billion, two hundred sixty-seven million, one hundred sixty-six thousand, nine hundred fifty-eight".