25667117716067 has 16 divisors (see below), whose sum is σ = 26884497604608. Its totient is φ = 24458339700960.

The previous prime is 25667117716057. The next prime is 25667117716073. The reversal of 25667117716067 is 76061771176652.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25667117716067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25667117716057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5806142 + ... + 9222012.

It is an arithmetic number, because the mean of its divisors is an integer number (1680281100288).

Almost surely, 2^{25667117716067} is an apocalyptic number.

25667117716067 is a deficient number, since it is larger than the sum of its proper divisors (1217379888541).

25667117716067 is a wasteful number, since it uses less digits than its factorization.

25667117716067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417130.

The product of its (nonzero) digits is 31116960, while the sum is 62.

The spelling of 25667117716067 in words is "twenty-five trillion, six hundred sixty-seven billion, one hundred seventeen million, seven hundred sixteen thousand, sixty-seven".