7166407 has 2 divisors, whose sum is σ = 7166408. Its totient is φ = 7166406.

The previous prime is 7166389. The next prime is 7166413. The reversal of 7166407 is 7046617.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7166407 - 2⁷ = 7166279 is a prime.

7166407 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7166417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3583203 + 3583204.

It is an arithmetic number, because the mean of its divisors is an integer number (3583204).

Almost surely, 2^7166407 is an apocalyptic number.

7166407 is a deficient number, since it is larger than the sum of its proper divisors (1).

7166407 is an equidigital number, since it uses as much as digits as its factorization.

7166407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 7166407 is about 2677.0145685072. The cubic root of 7166407 is about 192.7970967550.

The spelling of 7166407 in words is "seven million, one hundred sixty-six thousand, four hundred seven".