4166658 has 12 divisors (see below), whose sum is σ = 9027798. Its totient is φ = 1388880.

The previous prime is 4166651. The next prime is 4166671. The reversal of 4166658 is 8566614.

It can be written as a sum of positive squares in only one way, i.e., 3250809 + 915849 = 1803^2 + 957^2 .

It is a super-2 number, since 2×4166658² = 34722077777928, 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 5 ways as a sum of consecutive naturals, for example, 115723 + ... + 115758.

Almost surely, 2^4166658 is an apocalyptic number.

4166658 is an abundant number, since it is smaller than the sum of its proper divisors (4861140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4166658 is a wasteful number, since it uses less digits than its factorization.

4166658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231489 (or 231486 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 4166658 is about 2041.2393294271. The cubic root of 4166658 is about 160.9147858665.

The spelling of 4166658 in words is "four million, one hundred sixty-six thousand, six hundred fifty-eight".