6491662328 has 16 divisors (see below), whose sum is σ = 12188260080. Its totient is φ = 3241459648.

The previous prime is 6491662327. The next prime is 6491662337. The reversal of 6491662328 is 8232661946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6491662327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540125 + ... + 552012.

It is an arithmetic number, because the mean of its divisors is an integer number (761766255).

Almost surely, 2^6491662328 is an apocalyptic number.

It is an amenable number.

6491662328 is a deficient number, since it is larger than the sum of its proper divisors (5696597752).

6491662328 is a wasteful number, since it uses less digits than its factorization.

6491662328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092886 (or 1092882 counting only the distinct ones).

The product of its digits is 746496, while the sum is 47.

The square root of 6491662328 is about 80570.8528439410. The cubic root of 6491662328 is about 1865.4572766262.

The spelling of 6491662328 in words is "six billion, four hundred ninety-one million, six hundred sixty-two thousand, three hundred twenty-eight".