65881828552 has 16 divisors (see below), whose sum is σ = 123582476160. Its totient is φ = 32926501584.

The previous prime is 65881828549. The next prime is 65881828561. The reversal of 65881828552 is 25582818856.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1782148 + ... + 1818739.

It is an arithmetic number, because the mean of its divisors is an integer number (7723904760).

Almost surely, 2^65881828552 is an apocalyptic number.

It is an amenable number.

65881828552 is a deficient number, since it is larger than the sum of its proper divisors (57700647608).

65881828552 is a wasteful number, since it uses less digits than its factorization.

65881828552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603180 (or 3603176 counting only the distinct ones).

The product of its digits is 12288000, while the sum is 58.

The spelling of 65881828552 in words is "sixty-five billion, eight hundred eighty-one million, eight hundred twenty-eight thousand, five hundred fifty-two".