6642606 has 8 divisors (see below), whose sum is σ = 13285224. Its totient is φ = 2214200.

The previous prime is 6642593. The next prime is 6642613. The reversal of 6642606 is 6062466.

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

6642606 is an admirable number.

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, 553545 + ... + 553556.

It is an arithmetic number, because the mean of its divisors is an integer number (1660653).

Almost surely, 2^6642606 is an apocalyptic number.

6642606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6642606 is a wasteful number, since it uses less digits than its factorization.

6642606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107106.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 6642606 is about 2577.3253578080. The cubic root of 6642606 is about 187.9805132964.

The spelling of 6642606 in words is "six million, six hundred forty-two thousand, six hundred six".