68532865248 has 48 divisors (see below), whose sum is σ = 181753422480. Its totient is φ = 22608777216.

The previous prime is 68532865211. The next prime is 68532865249. The reversal of 68532865248 is 84256823586.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×68532865248² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68532865249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3670503 + ... + 3689126.

It is an arithmetic number, because the mean of its divisors is an integer number (3786529635).

Almost surely, 2^68532865248 is an apocalyptic number.

It is an amenable number.

68532865248 is an abundant number, since it is smaller than the sum of its proper divisors (113220557232).

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

68532865248 is a wasteful number, since it uses less digits than its factorization.

68532865248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7359739 (or 7359731 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 57.

The spelling of 68532865248 in words is "sixty-eight billion, five hundred thirty-two million, eight hundred sixty-five thousand, two hundred forty-eight".