68152959812 has 48 divisors (see below), whose sum is σ = 144620759808. Its totient is φ = 27433728000.

The previous prime is 68152959811. The next prime is 68152959871. The reversal of 68152959812 is 21895925186.

It is a happy number.

It is a super-2 number, since 2×68152959812² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68152959811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84812 + ... + 378812.

It is an arithmetic number, because the mean of its divisors is an integer number (3012932496).

Almost surely, 2^68152959812 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 68152959812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72310379904).

68152959812 is an abundant number, since it is smaller than the sum of its proper divisors (76467799996).

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

68152959812 is a wasteful number, since it uses less digits than its factorization.

68152959812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294516 (or 294514 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 56.

The spelling of 68152959812 in words is "sixty-eight billion, one hundred fifty-two million, nine hundred fifty-nine thousand, eight hundred twelve".