68901934632 has 64 divisors (see below), whose sum is σ = 176046648960. Its totient is φ = 22465900800.

The previous prime is 68901934589. The next prime is 68901934637. The reversal of 68901934632 is 23643910986.

It is not an unprimeable number, because it can be changed into a prime (68901934637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134973 + ... + 394995.

It is an arithmetic number, because the mean of its divisors is an integer number (2750728890).

Almost surely, 2^68901934632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68901934632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88023324480).

68901934632 is an abundant number, since it is smaller than the sum of its proper divisors (107144714328).

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

68901934632 is a wasteful number, since it uses less digits than its factorization.

68901934632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260274 (or 260270 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 68901934632 in words is "sixty-eight billion, nine hundred one million, nine hundred thirty-four thousand, six hundred thirty-two".