65263080768 has 28 divisors (see below), whose sum is σ = 172675235040. Its totient is φ = 21754360192.

The previous prime is 65263080719. The next prime is 65263080787. The reversal of 65263080768 is 86708036256.

It is a super-2 number, since 2×65263080768² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65263080768.

It is a congruent number.

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, 169955748 + ... + 169956131.

It is an arithmetic number, because the mean of its divisors is an integer number (6166972680).

Almost surely, 2^65263080768 is an apocalyptic number.

It is an amenable number.

65263080768 is an abundant number, since it is smaller than the sum of its proper divisors (107412154272).

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

65263080768 is a wasteful number, since it uses less digits than its factorization.

65263080768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339911894 (or 339911884 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 65263080768 in words is "sixty-five billion, two hundred sixty-three million, eighty thousand, seven hundred sixty-eight".