4166325997 has 2 divisors, whose sum is σ = 4166325998. Its totient is φ = 4166325996.

The previous prime is 4166325973. The next prime is 4166326009. The reversal of 4166325997 is 7995236614.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4140407716 + 25918281 = 64346^2 + 5091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4166325997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4166325907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2083162998 + 2083162999.

It is an arithmetic number, because the mean of its divisors is an integer number (2083162999).

Almost surely, 2^4166325997 is an apocalyptic number.

It is an amenable number.

4166325997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4166325997 is an equidigital number, since it uses as much as digits as its factorization.

4166325997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 52.

The square root of 4166325997 is about 64547.0835669591. The cubic root of 4166325997 is about 1609.1051180879.

The spelling of 4166325997 in words is "four billion, one hundred sixty-six million, three hundred twenty-five thousand, nine hundred ninety-seven".