65714859648 has 96 divisors (see below), whose sum is σ = 189359695200. Its totient is φ = 21875028480.

The previous prime is 65714859631. The next prime is 65714859671. The reversal of 65714859648 is 84695841756.

65714859648 is a `hidden beast` number, since 6 + 571 + 4 + 8 + 59 + 6 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 812733 + ... + 889923.

It is an arithmetic number, because the mean of its divisors is an integer number (1972496825).

Almost surely, 2^65714859648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65714859648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94679847600).

65714859648 is an abundant number, since it is smaller than the sum of its proper divisors (123644835552).

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

65714859648 is a wasteful number, since it uses less digits than its factorization.

65714859648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77950 (or 77935 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 63.

The spelling of 65714859648 in words is "sixty-five billion, seven hundred fourteen million, eight hundred fifty-nine thousand, six hundred forty-eight".