68009612238372 has 96 divisors (see below), whose sum is σ = 183451841475840. Its totient is φ = 19207569162240.

The previous prime is 68009612238371. The next prime is 68009612238457. The reversal of 68009612238372 is 27383221690086.

It is not an unprimeable number, because it can be changed into a prime (68009612238371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1606204 + ... + 11772812.

It is an arithmetic number, because the mean of its divisors is an integer number (1910956682040).

Almost surely, 2^{68009612238372} 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 68009612238372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91725920737920).

68009612238372 is an abundant number, since it is smaller than the sum of its proper divisors (115442229237468).

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

68009612238372 is a wasteful number, since it uses less digits than its factorization.

68009612238372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10167541 (or 10167539 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 68009612238372 in words is "sixty-eight trillion, nine billion, six hundred twelve million, two hundred thirty-eight thousand, three hundred seventy-two".