6669151 has 8 divisors (see below), whose sum is σ = 7119360. Its totient is φ = 6225408.

The previous prime is 6669137. The next prime is 6669161. The reversal of 6669151 is 1519666.

6669151 = 18² + 19² + ... + 271².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6669151 - 2⁵ = 6669119 is a prime.

It is a Duffinian number.

6669151 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6669121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615 + ... + 3703.

It is an arithmetic number, because the mean of its divisors is an integer number (889920).

Almost surely, 2^6669151 is an apocalyptic number.

6669151 is a deficient number, since it is larger than the sum of its proper divisors (450209).

6669151 is a wasteful number, since it uses less digits than its factorization.

6669151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233.

The product of its digits is 9720, while the sum is 34.

The square root of 6669151 is about 2582.4699417418. The cubic root of 6669151 is about 188.2305813446.

The spelling of 6669151 in words is "six million, six hundred sixty-nine thousand, one hundred fifty-one".