68147468074512 has 200 divisors, whose sum is σ = 207076810801344. Its totient is φ = 21594874980096.

The previous prime is 68147468074487. The next prime is 68147468074541. The reversal of 68147468074512 is 21547086474186.

68147468074512 is a `hidden beast` number, since 6 + 8 + 1 + 4 + 7 + 46 + 8 + 0 + 74 + 512 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 68147468074512.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2154223 + ... + 11871630.

Almost surely, 2^{68147468074512} 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 68147468074512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103538405400672).

68147468074512 is an abundant number, since it is smaller than the sum of its proper divisors (138929342726832).

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

68147468074512 is a wasteful number, since it uses less digits than its factorization.

68147468074512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14026059 (or 14026044 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 63.

The spelling of 68147468074512 in words is "sixty-eight trillion, one hundred forty-seven billion, four hundred sixty-eight million, seventy-four thousand, five hundred twelve".