667522515110047 has 16 divisors (see below), whose sum is σ = 710064615716352. Its totient is φ = 625349296091520.

The previous prime is 667522515110041. The next prime is 667522515110089. The reversal of 667522515110047 is 740011515225766.

It is a cyclic number.

It is not a de Polignac number, because 667522515110047 - 2³⁹ = 666972759296159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 667522515109976 and 667522515110003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667522515110041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71769333 + ... + 80534974.

It is an arithmetic number, because the mean of its divisors is an integer number (44379038482272).

Almost surely, 2^{667522515110047} is an apocalyptic number.

667522515110047 is a deficient number, since it is larger than the sum of its proper divisors (42542100606305).

667522515110047 is a wasteful number, since it uses less digits than its factorization.

667522515110047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152305518.

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 667522515110047 in words is "six hundred sixty-seven trillion, five hundred twenty-two billion, five hundred fifteen million, one hundred ten thousand, forty-seven".