65654712068 has 48 divisors (see below), whose sum is σ = 126110573568. Its totient is φ = 29660064000.

The previous prime is 65654712043. The next prime is 65654712119. The reversal of 65654712068 is 86021745656.

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 15 ways as a sum of consecutive naturals, for example, 11603096 + ... + 11608752.

It is an arithmetic number, because the mean of its divisors is an integer number (2627303616).

Almost surely, 2^65654712068 is an apocalyptic number.

It is an amenable number.

65654712068 is a deficient number, since it is larger than the sum of its proper divisors (60455861500).

65654712068 is a wasteful number, since it uses less digits than its factorization.

65654712068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7244 (or 7242 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 65654712068 in words is "sixty-five billion, six hundred fifty-four million, seven hundred twelve thousand, sixty-eight".