667251802055 has 16 divisors (see below), whose sum is σ = 812019297600. Its totient is φ = 526257419520.

The previous prime is 667251802037. The next prime is 667251802123. The reversal of 667251802055 is 550208152766.

It is not a de Polignac number, because 667251802055 - 2²⁰ = 667250753479 is a prime.

It is a congruent 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, 10928051 + ... + 10988939.

It is an arithmetic number, because the mean of its divisors is an integer number (50751206100).

Almost surely, 2^667251802055 is an apocalyptic number.

667251802055 is a deficient number, since it is larger than the sum of its proper divisors (144767495545).

667251802055 is a wasteful number, since it uses less digits than its factorization.

667251802055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91834.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 667251802055 in words is "six hundred sixty-seven billion, two hundred fifty-one million, eight hundred two thousand, fifty-five".