4168157 has 4 divisors (see below), whose sum is σ = 4763616. Its totient is φ = 3572700.

The previous prime is 4168133. The next prime is 4168159. The reversal of 4168157 is 7518614.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4168157 - 2¹⁰ = 4167133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4168159) 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, 297719 + ... + 297732.

It is an arithmetic number, because the mean of its divisors is an integer number (1190904).

Almost surely, 2^4168157 is an apocalyptic number.

It is an amenable number.

4168157 is a deficient number, since it is larger than the sum of its proper divisors (595459).

4168157 is an equidigital number, since it uses as much as digits as its factorization.

4168157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595458.

The product of its digits is 6720, while the sum is 32.

The square root of 4168157 is about 2041.6064753032. The cubic root of 4168157 is about 160.9340804942.

The spelling of 4168157 in words is "four million, one hundred sixty-eight thousand, one hundred fifty-seven".