7166417 has 2 divisors, whose sum is σ = 7166418. Its totient is φ = 7166416.

The previous prime is 7166413. The next prime is 7166443. The reversal of 7166417 is 7146617.

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., 4330561 + 2835856 = 2081^2 + 1684^2 .

It is a cyclic number.

It is not a de Polignac number, because 7166417 - 2² = 7166413 is a prime.

It is not a weakly prime, because it can be changed into another prime (7166413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3583208 + 3583209.

It is an arithmetic number, because the mean of its divisors is an integer number (3583209).

Almost surely, 2^7166417 is an apocalyptic number.

It is an amenable number.

7166417 is a deficient number, since it is larger than the sum of its proper divisors (1).

7166417 is an equidigital number, since it uses as much as digits as its factorization.

7166417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 32.

The square root of 7166417 is about 2677.0164362588. The cubic root of 7166417 is about 192.7971864313.

The spelling of 7166417 in words is "seven million, one hundred sixty-six thousand, four hundred seventeen".