4661157 has 16 divisors (see below), whose sum is σ = 6640128. Its totient is φ = 2901360.

The previous prime is 4661119. The next prime is 4661161. The reversal of 4661157 is 7511664.

It is not a de Polignac number, because 4661157 - 2⁶ = 4661093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2182 + ... + 3752.

It is an arithmetic number, because the mean of its divisors is an integer number (415008).

Almost surely, 2^4661157 is an apocalyptic number.

It is an amenable number.

4661157 is a deficient number, since it is larger than the sum of its proper divisors (1978971).

4661157 is a wasteful number, since it uses less digits than its factorization.

4661157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640.

The product of its digits is 5040, while the sum is 30.

The square root of 4661157 is about 2158.9712828104. The cubic root of 4661157 is about 167.0441395510.

The spelling of 4661157 in words is "four million, six hundred sixty-one thousand, one hundred fifty-seven".