4160657 has 4 divisors (see below), whose sum is σ = 4187316. Its totient is φ = 4134000.

The previous prime is 4160641. The next prime is 4160669. The reversal of 4160657 is 7560614.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1324801 + 2835856 = 1151^2 + 1684^2 .

It is a cyclic number.

It is not a de Polignac number, because 4160657 - 2⁴ = 4160641 is a prime.

It is a super-2 number, since 2×4160657² = 34622133343298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4160617) 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, 13094 + ... + 13407.

It is an arithmetic number, because the mean of its divisors is an integer number (1046829).

Almost surely, 2^4160657 is an apocalyptic number.

It is an amenable number.

4160657 is a deficient number, since it is larger than the sum of its proper divisors (26659).

4160657 is a wasteful number, since it uses less digits than its factorization.

4160657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26658.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 4160657 is about 2039.7688594544. The cubic root of 4160657 is about 160.8374966185.

The spelling of 4160657 in words is "four million, one hundred sixty thousand, six hundred fifty-seven".