667223757155 has 16 divisors (see below), whose sum is σ = 826610400000. Its totient is φ = 516489156480.

The previous prime is 667223757139. The next prime is 667223757163. The reversal of 667223757155 is 551757322766.

It is not a de Polignac number, because 667223757155 - 2⁴ = 667223757139 is a prime.

It is a super-2 number, since 2×667223757155² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 667223757155.

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 15 ways as a sum of consecutive naturals, for example, 846221 + ... + 1431969.

It is an arithmetic number, because the mean of its divisors is an integer number (51663150000).

Almost surely, 2^667223757155 is an apocalyptic number.

667223757155 is a deficient number, since it is larger than the sum of its proper divisors (159386642845).

667223757155 is a wasteful number, since it uses less digits than its factorization.

667223757155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593134.

The product of its digits is 18522000, while the sum is 56.

The spelling of 667223757155 in words is "six hundred sixty-seven billion, two hundred twenty-three million, seven hundred fifty-seven thousand, one hundred fifty-five".