65168006828 has 12 divisors (see below), whose sum is σ = 114252505752. Its totient is φ = 32524433760.

The previous prime is 65168006819. The next prime is 65168006857. The reversal of 65168006828 is 82860086156.

It is a super-2 number, since 2×65168006828² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14889953 + ... + 14894328.

It is an arithmetic number, because the mean of its divisors is an integer number (9521042146).

Almost surely, 2^65168006828 is an apocalyptic number.

It is an amenable number.

65168006828 is a deficient number, since it is larger than the sum of its proper divisors (49084498924).

65168006828 is a wasteful number, since it uses less digits than its factorization.

65168006828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29784832 (or 29784830 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 65168006828 in words is "sixty-five billion, one hundred sixty-eight million, six thousand, eight hundred twenty-eight".