6628151 has 4 divisors (see below), whose sum is σ = 6656832. Its totient is φ = 6599472.

The previous prime is 6628133. The next prime is 6628159. The reversal of 6628151 is 1518266.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6628151 - 2⁶ = 6628087 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6628159) 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, 13991 + ... + 14456.

It is an arithmetic number, because the mean of its divisors is an integer number (1664208).

Almost surely, 2^6628151 is an apocalyptic number.

6628151 is a deficient number, since it is larger than the sum of its proper divisors (28681).

6628151 is a wasteful number, since it uses less digits than its factorization.

6628151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28680.

The product of its digits is 2880, while the sum is 29.

The square root of 6628151 is about 2574.5195668318. The cubic root of 6628151 is about 187.8440592341.

The spelling of 6628151 in words is "six million, six hundred twenty-eight thousand, one hundred fifty-one".