6466520504 has 16 divisors (see below), whose sum is σ = 12129717600. Its totient is φ = 3231929152.

The previous prime is 6466520491. The next prime is 6466520509. The reversal of 6466520504 is 4050256646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6466520509) 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, 145589 + ... + 184740.

It is an arithmetic number, because the mean of its divisors is an integer number (758107350).

Almost surely, 2^6466520504 is an apocalyptic number.

It is an amenable number.

6466520504 is a deficient number, since it is larger than the sum of its proper divisors (5663197096).

6466520504 is a wasteful number, since it uses less digits than its factorization.

6466520504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332782 (or 332778 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 6466520504 is about 80414.6784113448. The cubic root of 6466520504 is about 1863.0458923492.

The spelling of 6466520504 in words is "six billion, four hundred sixty-six million, five hundred twenty thousand, five hundred four".