6634580064 has 48 divisors (see below), whose sum is σ = 19903742208. Its totient is φ = 1895594112.

The previous prime is 6634580059. The next prime is 6634580081. The reversal of 6634580064 is 4600854366.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 6634579998 and 6634580025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4935772 + ... + 4937115.

It is an arithmetic number, because the mean of its divisors is an integer number (414661296).

Almost surely, 2^6634580064 is an apocalyptic number.

It is an amenable number.

6634580064 is an abundant number, since it is smaller than the sum of its proper divisors (13269162144).

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

6634580064 is a wasteful number, since it uses less digits than its factorization.

6634580064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9872907 (or 9872899 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 6634580064 is about 81452.9315862848. The cubic root of 6634580064 is about 1879.0477356335.

The spelling of 6634580064 in words is "six billion, six hundred thirty-four million, five hundred eighty thousand, sixty-four".