86256608168 has 16 divisors (see below), whose sum is σ = 161848272660. Its totient is φ = 43097068800.

The previous prime is 86256608167. The next prime is 86256608173. The reversal of 86256608168 is 86180665268.

It can be written as a sum of positive squares in 2 ways, for example, as 84240418564 + 2016189604 = 290242^2 + 44902^2 .

It is not an unprimeable number, because it can be changed into a prime (86256608167) 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, 3892673 + ... + 3914768.

Almost surely, 2^86256608168 is an apocalyptic number.

It is an amenable number.

86256608168 is a deficient number, since it is larger than the sum of its proper divisors (75591664492).

86256608168 is a wasteful number, since it uses less digits than its factorization.

86256608168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7808828 (or 7808824 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 86256608168 in words is "eighty-six billion, two hundred fifty-six million, six hundred eight thousand, one hundred sixty-eight".