6605157 has 16 divisors (see below), whose sum is σ = 9535680. Its totient is φ = 4042752.

The previous prime is 6605153. The next prime is 6605167. The reversal of 6605157 is 7515066.

It is not a de Polignac number, because 6605157 - 2² = 6605153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9694 + ... + 10352.

It is an arithmetic number, because the mean of its divisors is an integer number (595980).

Almost surely, 2^6605157 is an apocalyptic number.

It is an amenable number.

6605157 is a deficient number, since it is larger than the sum of its proper divisors (2930523).

6605157 is a wasteful number, since it uses less digits than its factorization.

6605157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 6605157 is about 2570.0499995136. The cubic root of 6605157 is about 187.6265882940.

Subtracting 6605157 from its reverse (7515066), we obtain a palindrome (909909).

The spelling of 6605157 in words is "six million, six hundred five thousand, one hundred fifty-seven".