6689151 has 24 divisors (see below), whose sum is σ = 11175840. Its totient is φ = 3776256.

The previous prime is 6689147. The next prime is 6689153. The reversal of 6689151 is 1519866.

It is not a de Polignac number, because 6689151 - 2² = 6689147 is a prime.

It is a super-2 number, since 2×6689151² = 89489482201602, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6689153) 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 23 ways as a sum of consecutive naturals, for example, 5011 + ... + 6203.

It is an arithmetic number, because the mean of its divisors is an integer number (465660).

Almost surely, 2^6689151 is an apocalyptic number.

6689151 is a deficient number, since it is larger than the sum of its proper divisors (4486689).

6689151 is a wasteful number, since it uses less digits than its factorization.

6689151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295 (or 1292 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 6689151 is about 2586.3393048863. The cubic root of 6689151 is about 188.4185540303.

The spelling of 6689151 in words is "six million, six hundred eighty-nine thousand, one hundred fifty-one".