6604151 has 4 divisors (see below), whose sum is σ = 6891312. Its totient is φ = 6316992.

The previous prime is 6604133. The next prime is 6604181. The reversal of 6604151 is 1514066.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6604151 is a prime.

It is a super-2 number, since 2×6604151² = 87229620861602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 287137 = 6604151 / (6 + 6 + 0 + 4 + 1 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6604181) 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 3 ways as a sum of consecutive naturals, for example, 143546 + ... + 143591.

It is an arithmetic number, because the mean of its divisors is an integer number (1722828).

Almost surely, 2^6604151 is an apocalyptic number.

6604151 is a deficient number, since it is larger than the sum of its proper divisors (287161).

6604151 is a wasteful number, since it uses less digits than its factorization.

6604151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287160.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 6604151 is about 2569.8542760242. The cubic root of 6604151 is about 187.6170623064.

The spelling of 6604151 in words is "six million, six hundred four thousand, one hundred fifty-one".