4636544655064 has 64 divisors (see below), whose sum is σ = 10458864000000. Its totient is φ = 1882418185728.

The previous prime is 4636544655059. The next prime is 4636544655073. The reversal of 4636544655064 is 4605564456364.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25497537 + ... + 25678735.

It is an arithmetic number, because the mean of its divisors is an integer number (163419750000).

Almost surely, 2^{4636544655064} is an apocalyptic number.

It is an amenable number.

4636544655064 is an abundant number, since it is smaller than the sum of its proper divisors (5822319344936).

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

4636544655064 is a wasteful number, since it uses less digits than its factorization.

4636544655064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205280 (or 205276 counting only the distinct ones).

The product of its (nonzero) digits is 124416000, while the sum is 58.

The spelling of 4636544655064 in words is "four trillion, six hundred thirty-six billion, five hundred forty-four million, six hundred fifty-five thousand, sixty-four".