65682848521538 has 16 divisors (see below), whose sum is σ = 98692257945600. Its totient is φ = 32785431272256.

The previous prime is 65682848521519. The next prime is 65682848521559. The reversal of 65682848521538 is 83512584828656.

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, 66837863 + ... + 67813461.

It is an arithmetic number, because the mean of its divisors is an integer number (6168266121600).

Almost surely, 2^{65682848521538} is an apocalyptic number.

65682848521538 is a deficient number, since it is larger than the sum of its proper divisors (33009409424062).

65682848521538 is a wasteful number, since it uses less digits than its factorization.

65682848521538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032961.

The product of its digits is 884736000, while the sum is 71.

The spelling of 65682848521538 in words is "sixty-five trillion, six hundred eighty-two billion, eight hundred forty-eight million, five hundred twenty-one thousand, five hundred thirty-eight".