667233126627 has 4 divisors (see below), whose sum is σ = 889644168840. Its totient is φ = 444822084416.

The previous prime is 667233126569. The next prime is 667233126649. The reversal of 667233126627 is 726621332766.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 667233126627 - 2¹⁶ = 667233061091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 667233126627.

It is not an unprimeable number, because it can be changed into a prime (667233126227) by changing a digit.

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, 111205521102 + ... + 111205521107.

It is an arithmetic number, because the mean of its divisors is an integer number (222411042210).

Almost surely, 2^667233126627 is an apocalyptic number.

667233126627 is a deficient number, since it is larger than the sum of its proper divisors (222411042213).

667233126627 is a wasteful number, since it uses less digits than its factorization.

667233126627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222411042212.

The product of its digits is 4572288, while the sum is 51.

The spelling of 667233126627 in words is "six hundred sixty-seven billion, two hundred thirty-three million, one hundred twenty-six thousand, six hundred twenty-seven".