667367104727225 has 24 divisors (see below), whose sum is σ = 945763329826368. Its totient is φ = 457618897396800.

The previous prime is 667367104727153. The next prime is 667367104727227. The reversal of 667367104727225 is 522727401763766.

It is a happy number.

It is not a de Polignac number, because 667367104727225 - 2¹⁴ = 667367104710841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667367104727227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1159055 + ... + 36552395.

It is an arithmetic number, because the mean of its divisors is an integer number (39406805409432).

Almost surely, 2^{667367104727225} is an apocalyptic number.

It is an amenable number.

667367104727225 is a deficient number, since it is larger than the sum of its proper divisors (278396225099143).

667367104727225 is a wasteful number, since it uses less digits than its factorization.

667367104727225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35501105 (or 35501100 counting only the distinct ones).

The product of its (nonzero) digits is 248935680, while the sum is 65.

The spelling of 667367104727225 in words is "six hundred sixty-seven trillion, three hundred sixty-seven billion, one hundred four million, seven hundred twenty-seven thousand, two hundred twenty-five".