255535161750 has 256 divisors, whose sum is σ = 774269383680. Its totient is φ = 61855056000.

The previous prime is 255535161727. The next prime is 255535161781. The reversal of 255535161750 is 57161535552.

255535161750 is a `hidden beast` number, since 2 + 5 + 5 + 535 + 1 + 61 + 7 + 50 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 255535161696 and 255535161705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 58432564 + ... + 58436936.

It is an arithmetic number, because the mean of its divisors is an integer number (3024489780).

Almost surely, 2^255535161750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255535161750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387134691840).

255535161750 is an abundant number, since it is smaller than the sum of its proper divisors (518734221930).

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

255535161750 is a wasteful number, since it uses less digits than its factorization.

255535161750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197 (or 5181 counting only the distinct ones).

The product of its (nonzero) digits is 787500, while the sum is 45.

The spelling of 255535161750 in words is "two hundred fifty-five billion, five hundred thirty-five million, one hundred sixty-one thousand, seven hundred fifty".