4166560 has 24 divisors (see below), whose sum is σ = 9843876. Its totient is φ = 1666560.

The previous prime is 4166557. The next prime is 4166563. The reversal of 4166560 is 656614.

It is an interprime number because it is at equal distance from previous prime (4166557) and next prime (4166563).

It can be written as a sum of positive squares in 2 ways, for example, as 4016016 + 150544 = 2004^2 + 388^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4166563) 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, 12861 + ... + 13180.

Almost surely, 2^4166560 is an apocalyptic number.

4166560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4166560 is an abundant number, since it is smaller than the sum of its proper divisors (5677316).

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

4166560 is a wasteful number, since it uses less digits than its factorization.

4166560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26056 (or 26048 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 4166560 is about 2041.2153242615. The cubic root of 4166560 is about 160.9135242821.

The spelling of 4166560 in words is "four million, one hundred sixty-six thousand, five hundred sixty".