6738503668 has 72 divisors (see below), whose sum is σ = 13140893696. Its totient is φ = 3005372160.

The previous prime is 6738503659. The next prime is 6738503689. The reversal of 6738503668 is 8663058376.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11101021 + ... + 11101627.

Almost surely, 2^6738503668 is an apocalyptic number.

It is an amenable number.

6738503668 is a deficient number, since it is larger than the sum of its proper divisors (6402390028).

6738503668 is a wasteful number, since it uses less digits than its factorization.

6738503668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 52.

The square root of 6738503668 is about 82088.3893617118. The cubic root of 6738503668 is about 1888.8080413906.

The spelling of 6738503668 in words is "six billion, seven hundred thirty-eight million, five hundred three thousand, six hundred sixty-eight".