6651498 has 64 divisors (see below), whose sum is σ = 16220160. Its totient is φ = 1778112.

The previous prime is 6651497. The next prime is 6651503. The reversal of 6651498 is 8941566.

It is not an unprimeable number, because it can be changed into a prime (6651497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52311 + ... + 52437.

It is an arithmetic number, because the mean of its divisors is an integer number (253440).

Almost surely, 2^6651498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6651498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8110080).

6651498 is an abundant number, since it is smaller than the sum of its proper divisors (9568662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6651498 is a wasteful number, since it uses less digits than its factorization.

6651498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211.

The product of its digits is 51840, while the sum is 39.

The square root of 6651498 is about 2579.0498250325. The cubic root of 6651498 is about 188.0643547600.

The spelling of 6651498 in words is "six million, six hundred fifty-one thousand, four hundred ninety-eight".