68143054580 has 24 divisors (see below), whose sum is σ = 143430918792. Its totient is φ = 27194268672.

The previous prime is 68143054579. The next prime is 68143054589. The reversal of 68143054580 is 8545034186.

It can be written as a sum of positive squares in 4 ways, for example, as 4682391184 + 63460663396 = 68428^2 + 251914^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68143054589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3925697 + ... + 3943016.

It is an arithmetic number, because the mean of its divisors is an integer number (5976288283).

Almost surely, 2^68143054580 is an apocalyptic number.

It is an amenable number.

68143054580 is an abundant number, since it is smaller than the sum of its proper divisors (75287864212).

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

68143054580 is a wasteful number, since it uses less digits than its factorization.

68143054580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7869155 (or 7869153 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 68143054580 in words is "sixty-eight billion, one hundred forty-three million, fifty-four thousand, five hundred eighty".