255942167189346 has 72 divisors (see below), whose sum is σ = 609546524818140. Its totient is φ = 77557045959360.

The previous prime is 255942167189309. The next prime is 255942167189351. The reversal of 255942167189346 is 643981761249552.

255942167189346 is a `hidden beast` number, since 2 + 5 + 5 + 9 + 42 + 1 + 67 + 189 + 346 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 253087976570121 + 2854190619225 = 15908739^2 + 1689435^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 147093160 + ... + 148822988.

Almost surely, 2^{255942167189346} is an apocalyptic number.

255942167189346 is an abundant number, since it is smaller than the sum of its proper divisors (353604357628794).

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

255942167189346 is a wasteful number, since it uses less digits than its factorization.

255942167189346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797792 (or 1797778 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 72.

The spelling of 255942167189346 in words is "two hundred fifty-five trillion, nine hundred forty-two billion, one hundred sixty-seven million, one hundred eighty-nine thousand, three hundred forty-six".