4161157 has 16 divisors (see below), whose sum is σ = 5588352. Its totient is φ = 2992320.

The previous prime is 4161151. The next prime is 4161163. The reversal of 4161157 is 7511614.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4161151) and next prime (4161163).

It is a cyclic number.

It is not a de Polignac number, because 4161157 - 2³ = 4161149 is a prime.

4161157 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161151) 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, 1078 + ... + 3079.

It is an arithmetic number, because the mean of its divisors is an integer number (349272).

Almost surely, 2^4161157 is an apocalyptic number.

It is an amenable number.

4161157 is a deficient number, since it is larger than the sum of its proper divisors (1427195).

4161157 is a wasteful number, since it uses less digits than its factorization.

4161157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188.

The product of its digits is 840, while the sum is 25.

The square root of 4161157 is about 2039.8914186789. The cubic root of 4161157 is about 160.8439391528.

It can be divided in two parts, 4 and 161157, that added together give a palindrome (161161).

The spelling of 4161157 in words is "four million, one hundred sixty-one thousand, one hundred fifty-seven".