255116847186 has 20 divisors (see below), whose sum is σ = 571650713502. Its totient is φ = 85038949008.

The previous prime is 255116847131. The next prime is 255116847187. The reversal of 255116847186 is 681748611552.

255116847186 is a `hidden beast` number, since 2 + 5 + 5 + 1 + 168 + 471 + 8 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 243326144961 + 11790702225 = 493281^2 + 108585^2 .

It is a super-2 number, since 2×255116847186² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (255116847187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 787397515 + ... + 787397838.

Almost surely, 2^255116847186 is an apocalyptic number.

255116847186 is an abundant number, since it is smaller than the sum of its proper divisors (316533866316).

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

255116847186 is a wasteful number, since it uses less digits than its factorization.

255116847186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574795367 (or 1574795358 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The spelling of 255116847186 in words is "two hundred fifty-five billion, one hundred sixteen million, eight hundred forty-seven thousand, one hundred eighty-six".