667214322755 has 16 divisors (see below), whose sum is σ = 807059731104. Its totient is φ = 529506032640.

The previous prime is 667214322701. The next prime is 667214322779. The reversal of 667214322755 is 557223412766.

It is not a de Polignac number, because 667214322755 - 2²⁶ = 667147213891 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1649939 + ... + 2014131.

It is an arithmetic number, because the mean of its divisors is an integer number (50441233194).

Almost surely, 2^667214322755 is an apocalyptic number.

667214322755 is a deficient number, since it is larger than the sum of its proper divisors (139845408349).

667214322755 is a wasteful number, since it uses less digits than its factorization.

667214322755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367126.

The product of its digits is 4233600, while the sum is 50.

The spelling of 667214322755 in words is "six hundred sixty-seven billion, two hundred fourteen million, three hundred twenty-two thousand, seven hundred fifty-five".