6466536 has 96 divisors (see below), whose sum is σ = 19188000. Its totient is φ = 1959552.

The previous prime is 6466531. The next prime is 6466543. The reversal of 6466536 is 6356646.

6466536 is a `hidden beast` number, since 64 + 66 + 536 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (77760) is a multiple of the sum of its prime divisors (216).

It is a self number, because there is not a number n which added to its sum of digits gives 6466536.

It is not an unprimeable number, because it can be changed into a prime (6466531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39591 + ... + 39753.

It is an arithmetic number, because the mean of its divisors is an integer number (199875).

Almost surely, 2^6466536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6466536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9594000).

6466536 is an abundant number, since it is smaller than the sum of its proper divisors (12721464).

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

6466536 is a wasteful number, since it uses less digits than its factorization.

6466536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 216 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 6466536 is about 2542.9384577689. The cubic root of 6466536 is about 186.3047380514.

The spelling of 6466536 in words is "six million, four hundred sixty-six thousand, five hundred thirty-six".