6501612464 has 40 divisors (see below), whose sum is σ = 13536977328. Its totient is φ = 3013908480.

The previous prime is 6501612463. The next prime is 6501612493. The reversal of 6501612464 is 4642161056.

It is not an unprimeable number, because it can be changed into a prime (6501612461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160157 + ... + 196604.

Almost surely, 2^6501612464 is an apocalyptic number.

It is an amenable number.

6501612464 is an abundant number, since it is smaller than the sum of its proper divisors (7035364864).

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

6501612464 is a wasteful number, since it uses less digits than its factorization.

6501612464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356853 (or 356847 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 6501612464 is about 80632.5769400929. The cubic root of 6501612464 is about 1866.4098871846.

The spelling of 6501612464 in words is "six billion, five hundred one million, six hundred twelve thousand, four hundred sixty-four".