6643054 has 16 divisors (see below), whose sum is σ = 11165616. Its totient is φ = 2937600.

The previous prime is 6643051. The next prime is 6643057. The reversal of 6643054 is 4503466.

It is an interprime number because it is at equal distance from previous prime (6643051) and next prime (6643057).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6643051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3267 + ... + 4894.

It is an arithmetic number, because the mean of its divisors is an integer number (697851).

Almost surely, 2^6643054 is an apocalyptic number.

6643054 is a deficient number, since it is larger than the sum of its proper divisors (4522562).

6643054 is a wasteful number, since it uses less digits than its factorization.

6643054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8211.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 6643054 is about 2577.4122681480. The cubic root of 6643054 is about 187.9847392170.

The spelling of 6643054 in words is "six million, six hundred forty-three thousand, fifty-four".