666137713005267 has 32 divisors (see below), whose sum is σ = 961443887761728. Its totient is φ = 408682958401536.

The previous prime is 666137713005241. The next prime is 666137713005299. The reversal of 666137713005267 is 762500317731666.

666137713005267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 666137713005267 - 2¹¹ = 666137713003219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 666137713005267.

It is not an unprimeable number, because it can be changed into a prime (666137713005767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 419760658 + ... + 421344615.

It is an arithmetic number, because the mean of its divisors is an integer number (30045121492554).

Almost surely, 2^{666137713005267} is an apocalyptic number.

666137713005267 is a deficient number, since it is larger than the sum of its proper divisors (295306174756461).

666137713005267 is a wasteful number, since it uses less digits than its factorization.

666137713005267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841105639.

The product of its (nonzero) digits is 40007520, while the sum is 60.

The spelling of 666137713005267 in words is "six hundred sixty-six trillion, one hundred thirty-seven billion, seven hundred thirteen million, five thousand, two hundred sixty-seven".