3667271572117 has 2 divisors, whose sum is σ = 3667271572118. Its totient is φ = 3667271572116.

The previous prime is 3667271572109. The next prime is 3667271572229. The reversal of 3667271572117 is 7112751727663.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3210067055556 + 457204516561 = 1791666^2 + 676169^2 .

It is a cyclic number.

It is not a de Polignac number, because 3667271572117 - 2³ = 3667271572109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3667271575117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833635786058 + 1833635786059.

It is an arithmetic number, because the mean of its divisors is an integer number (1833635786059).

Almost surely, 2^{3667271572117} is an apocalyptic number.

It is an amenable number.

3667271572117 is a deficient number, since it is larger than the sum of its proper divisors (1).

3667271572117 is an equidigital number, since it uses as much as digits as its factorization.

3667271572117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5186160, while the sum is 55.

The spelling of 3667271572117 in words is "three trillion, six hundred sixty-seven billion, two hundred seventy-one million, five hundred seventy-two thousand, one hundred seventeen".