4166663 has 4 divisors (see below), whose sum is σ = 4228920. Its totient is φ = 4104408.

The previous prime is 4166651. The next prime is 4166671. The reversal of 4166663 is 3666614.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4166663 - 2⁴ = 4166647 is a prime.

It is a super-2 number, since 2×4166663² = 34722161111138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4166693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31028 + ... + 31161.

It is an arithmetic number, because the mean of its divisors is an integer number (1057230).

Almost surely, 2^4166663 is an apocalyptic number.

4166663 is a deficient number, since it is larger than the sum of its proper divisors (62257).

4166663 is an equidigital number, since it uses as much as digits as its factorization.

4166663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62256.

The product of its digits is 15552, while the sum is 32.

The square root of 4166663 is about 2041.2405541729. The cubic root of 4166663 is about 160.9148502326.

The spelling of 4166663 in words is "four million, one hundred sixty-six thousand, six hundred sixty-three".