68143464396 has 36 divisors (see below), whose sum is σ = 196858897872. Its totient is φ = 19469561184.

The previous prime is 68143464391. The next prime is 68143464439. The reversal of 68143464396 is 69346434186.

It is a happy number.

68143464396 is a `hidden beast` number, since 6 + 8 + 143 + 464 + 39 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (68143464391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135205035 + ... + 135205538.

Almost surely, 2^68143464396 is an apocalyptic number.

It is an amenable number.

68143464396 is an abundant number, since it is smaller than the sum of its proper divisors (128715433476).

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

68143464396 is a wasteful number, since it uses less digits than its factorization.

68143464396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270410590 (or 270410585 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The spelling of 68143464396 in words is "sixty-eight billion, one hundred forty-three million, four hundred sixty-four thousand, three hundred ninety-six".