255860165070 has 192 divisors, whose sum is σ = 694702008000. Its totient is φ = 67753967616.

The previous prime is 255860165059. The next prime is 255860165083. The reversal of 255860165070 is 70561068552.

255860165070 is a `hidden beast` number, since 2 + 5 + 586 + 0 + 1 + 65 + 0 + 7 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 332717646 + ... + 332718414.

It is an arithmetic number, because the mean of its divisors is an integer number (3618239625).

Almost surely, 2^255860165070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255860165070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347351004000).

255860165070 is an abundant number, since it is smaller than the sum of its proper divisors (438841842930).

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

255860165070 is a wasteful number, since it uses less digits than its factorization.

255860165070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 255860165070 in words is "two hundred fifty-five billion, eight hundred sixty million, one hundred sixty-five thousand, seventy".