6512746464 has 96 divisors (see below), whose sum is σ = 21709175040. Its totient is φ = 1860782976.

The previous prime is 6512746411. The next prime is 6512746481. The reversal of 6512746464 is 4646472156.

6512746464 is a `hidden beast` number, since 6 + 5 + 127 + 464 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532374 + ... + 544469.

It is an arithmetic number, because the mean of its divisors is an integer number (226137240).

Almost surely, 2^6512746464 is an apocalyptic number.

It is an amenable number.

6512746464 is an abundant number, since it is smaller than the sum of its proper divisors (15196428576).

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

6512746464 is a wasteful number, since it uses less digits than its factorization.

6512746464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076869 (or 1076855 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 6512746464 is about 80701.5889806390. The cubic root of 6512746464 is about 1867.4746874845.

The spelling of 6512746464 in words is "six billion, five hundred twelve million, seven hundred forty-six thousand, four hundred sixty-four".