6430164257756 has 96 divisors (see below), whose sum is σ = 11865872793600. Its totient is φ = 3045204771840.

The previous prime is 6430164257753. The next prime is 6430164257833. The reversal of 6430164257756 is 6577524610346.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6430164257753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 640513385 + ... + 640523423.

It is an arithmetic number, because the mean of its divisors is an integer number (123602841600).

Almost surely, 2^{6430164257756} is an apocalyptic number.

It is an amenable number.

6430164257756 is a deficient number, since it is larger than the sum of its proper divisors (5435708535844).

6430164257756 is a wasteful number, since it uses less digits than its factorization.

6430164257756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10747 (or 10745 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 6430164257756 in words is "six trillion, four hundred thirty billion, one hundred sixty-four million, two hundred fifty-seven thousand, seven hundred fifty-six".