6643162 has 8 divisors (see below), whose sum is σ = 9979956. Its totient is φ = 3316512.

The previous prime is 6643151. The next prime is 6643181. The reversal of 6643162 is 2613466.

It can be written as a sum of positive squares in 2 ways, for example, as 6245001 + 398161 = 2499^2 + 631^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 6643162.

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, 603 + ... + 3694.

Almost surely, 2^6643162 is an apocalyptic number.

6643162 is a deficient number, since it is larger than the sum of its proper divisors (3336794).

6643162 is a wasteful number, since it uses less digits than its factorization.

6643162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072.

The product of its digits is 5184, while the sum is 28.

The square root of 6643162 is about 2577.4332193095. The cubic root of 6643162 is about 187.9857579373.

The spelling of 6643162 in words is "six million, six hundred forty-three thousand, one hundred sixty-two".