6547345632 has 72 divisors (see below), whose sum is σ = 18627519456. Its totient is φ = 2181451776.

The previous prime is 6547345613. The next prime is 6547345667. The reversal of 6547345632 is 2365437456.

6547345632 is a `hidden beast` number, since 6 + 5 + 4 + 7 + 3 + 4 + 5 + 632 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 899833 + ... + 907079.

It is an arithmetic number, because the mean of its divisors is an integer number (258715548).

Almost surely, 2^6547345632 is an apocalyptic number.

It is an amenable number.

6547345632 is an abundant number, since it is smaller than the sum of its proper divisors (12080173824).

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

6547345632 is a wasteful number, since it uses less digits than its factorization.

6547345632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10400 (or 10389 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 45.

The square root of 6547345632 is about 80915.6698792020. The cubic root of 6547345632 is about 1870.7758542894.

The spelling of 6547345632 in words is "six billion, five hundred forty-seven million, three hundred forty-five thousand, six hundred thirty-two".