4157663 has 2 divisors, whose sum is σ = 4157664. Its totient is φ = 4157662.

The previous prime is 4157623. The next prime is 4157669. The reversal of 4157663 is 3667514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4157663 - 2¹⁰ = 4156639 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4157669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2078831 + 2078832.

It is an arithmetic number, because the mean of its divisors is an integer number (2078832).

Almost surely, 2^4157663 is an apocalyptic number.

4157663 is a deficient number, since it is larger than the sum of its proper divisors (1).

4157663 is an equidigital number, since it uses as much as digits as its factorization.

4157663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 4157663 is about 2039.0348206934. The cubic root of 4157663 is about 160.7989079198.

The spelling of 4157663 in words is "four million, one hundred fifty-seven thousand, six hundred sixty-three".