7666117 has 2 divisors, whose sum is σ = 7666118. Its totient is φ = 7666116.

The previous prime is 7666103. The next prime is 7666151. The reversal of 7666117 is 7116667.

It is a happy number.

It is an a-pointer prime, because the next prime (7666151) can be obtained adding 7666117 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5731236 + 1934881 = 2394^2 + 1391^2 .

It is an emirp because it is prime and its reverse (7116667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7666117 - 2¹⁵ = 7633349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7666157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3833058 + 3833059.

It is an arithmetic number, because the mean of its divisors is an integer number (3833059).

Almost surely, 2^7666117 is an apocalyptic number.

It is an amenable number.

7666117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7666117 is an equidigital number, since it uses as much as digits as its factorization.

7666117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 34.

The square root of 7666117 is about 2768.7753610577. The cubic root of 7666117 is about 197.1780108294.

The spelling of 7666117 in words is "seven million, six hundred sixty-six thousand, one hundred seventeen".