255443145166 has 16 divisors (see below), whose sum is σ = 418031134848. Its totient is φ = 116101281400.

The previous prime is 255443145157. The next prime is 255443145179. The reversal of 255443145166 is 661541344552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175240 + ... + 735931.

It is an arithmetic number, because the mean of its divisors is an integer number (26126945928).

Almost surely, 2^255443145166 is an apocalyptic number.

255443145166 is a deficient number, since it is larger than the sum of its proper divisors (162587989682).

255443145166 is a wasteful number, since it uses less digits than its factorization.

255443145166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923927.

The product of its digits is 1728000, while the sum is 46.

The spelling of 255443145166 in words is "two hundred fifty-five billion, four hundred forty-three million, one hundred forty-five thousand, one hundred sixty-six".