6466755312 has 80 divisors (see below), whose sum is σ = 18839111680. Its totient is φ = 2123402688.

The previous prime is 6466755311. The next prime is 6466755313. The reversal of 6466755312 is 2135576646.

6466755312 is a `hidden beast` number, since 6 + 46 + 6 + 75 + 531 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (6466755311) and next prime (6466755313).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6466755311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82768 + ... + 140655.

It is an arithmetic number, because the mean of its divisors is an integer number (235488896).

Almost surely, 2^6466755312 is an apocalyptic number.

It is an amenable number.

6466755312 is an abundant number, since it is smaller than the sum of its proper divisors (12372356368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6466755312 is a wasteful number, since it uses less digits than its factorization.

6466755312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223507 (or 223495 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 6466755312 is about 80416.1383803027. The cubic root of 6466755312 is about 1863.0684419715.

The spelling of 6466755312 in words is "six billion, four hundred sixty-six million, seven hundred fifty-five thousand, three hundred twelve".