84568105168 has 20 divisors (see below), whose sum is σ = 168279102340. Its totient is φ = 41141240064.

The previous prime is 84568105163. The next prime is 84568105187. The reversal of 84568105168 is 86150186548.

It can be written as a sum of positive squares in 2 ways, for example, as 82201477264 + 2366627904 = 286708^2 + 48648^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84568105163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71425173 + ... + 71426356.

It is an arithmetic number, because the mean of its divisors is an integer number (8413955117).

Almost surely, 2^84568105168 is an apocalyptic number.

It is an amenable number.

84568105168 is a deficient number, since it is larger than the sum of its proper divisors (83710997172).

84568105168 is a wasteful number, since it uses less digits than its factorization.

84568105168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142851574 (or 142851568 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 52.

The spelling of 84568105168 in words is "eighty-four billion, five hundred sixty-eight million, one hundred five thousand, one hundred sixty-eight".