6462666 has 80 divisors (see below), whose sum is σ = 17075520. Its totient is φ = 1788480.

The previous prime is 6462647. The next prime is 6462667. The reversal of 6462666 is 6662646.

Its product of digits (62208) is a multiple of the sum of its prime divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 6462666.

It is not an unprimeable number, because it can be changed into a prime (6462667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 46425 + ... + 46563.

It is an arithmetic number, because the mean of its divisors is an integer number (213444).

Almost surely, 2^6462666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6462666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8537760).

6462666 is an abundant number, since it is smaller than the sum of its proper divisors (10612854).

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

6462666 is a wasteful number, since it uses less digits than its factorization.

6462666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 192 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 6462666 is about 2542.1774131638. The cubic root of 6462666 is about 186.2675649695.

The spelling of 6462666 in words is "six million, four hundred sixty-two thousand, six hundred sixty-six".