4166657 has 16 divisors (see below), whose sum is σ = 4866048. Its totient is φ = 3529680.

The previous prime is 4166651. The next prime is 4166671. The reversal of 4166657 is 7566614.

It is not a de Polignac number, because 4166657 - 2⁴ = 4166641 is a prime.

It is a super-2 number, since 2×4166657² = 34722061111298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4166651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10688 + ... + 11070.

It is an arithmetic number, because the mean of its divisors is an integer number (304128).

Almost surely, 2^4166657 is an apocalyptic number.

It is an amenable number.

4166657 is a deficient number, since it is larger than the sum of its proper divisors (699391).

4166657 is a wasteful number, since it uses less digits than its factorization.

4166657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its digits is 30240, while the sum is 35.

The square root of 4166657 is about 2041.2390844779. The cubic root of 4166657 is about 160.9147729933.

It can be divided in two parts, 4 and 166657, that added together give a palindrome (166661).

The spelling of 4166657 in words is "four million, one hundred sixty-six thousand, six hundred fifty-seven".