6638150 has 12 divisors (see below), whose sum is σ = 12347052. Its totient is φ = 2655240.

The previous prime is 6638147. The next prime is 6638153. The reversal of 6638150 is 518366.

It is an interprime number because it is at equal distance from previous prime (6638147) and next prime (6638153).

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6638153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66332 + ... + 66431.

It is an arithmetic number, because the mean of its divisors is an integer number (1028921).

Almost surely, 2^6638150 is an apocalyptic number.

6638150 is a deficient number, since it is larger than the sum of its proper divisors (5708902).

6638150 is a wasteful number, since it uses less digits than its factorization.

6638150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132775 (or 132770 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 6638150 is about 2576.4607507199. The cubic root of 6638150 is about 187.9384701314.

The spelling of 6638150 in words is "six million, six hundred thirty-eight thousand, one hundred fifty".