64386084248556 has 48 divisors (see below), whose sum is σ = 174258854896896. Its totient is φ = 18121456545984.

The previous prime is 64386084248539. The next prime is 64386084248569. The reversal of 64386084248556 is 65584248068346.

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, 5720151111 + ... + 5720162366.

It is an arithmetic number, because the mean of its divisors is an integer number (3630392810352).

Almost surely, 2^{64386084248556} is an apocalyptic number.

It is an amenable number.

64386084248556 is an abundant number, since it is smaller than the sum of its proper divisors (109872770648340).

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

64386084248556 is a wasteful number, since it uses less digits than its factorization.

64386084248556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11440313558 (or 11440313556 counting only the distinct ones).

The product of its (nonzero) digits is 1061683200, while the sum is 69.

The spelling of 64386084248556 in words is "sixty-four trillion, three hundred eighty-six billion, eighty-four million, two hundred forty-eight thousand, five hundred fifty-six".