6690158 has 8 divisors (see below), whose sum is σ = 10172928. Its totient is φ = 3299184.

The previous prime is 6690149. The next prime is 6690169. The reversal of 6690158 is 8510966.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22766 + ... + 23057.

It is an arithmetic number, because the mean of its divisors is an integer number (1271616).

Almost surely, 2^6690158 is an apocalyptic number.

6690158 is a deficient number, since it is larger than the sum of its proper divisors (3482770).

6690158 is a wasteful number, since it uses less digits than its factorization.

6690158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45898.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 6690158 is about 2586.5339742598. The cubic root of 6690158 is about 188.4280085417.

The spelling of 6690158 in words is "six million, six hundred ninety thousand, one hundred fifty-eight".