255466216136 has 32 divisors (see below), whose sum is σ = 492115389240. Its totient is φ = 124237836288.

The previous prime is 255466216121. The next prime is 255466216139. The reversal of 255466216136 is 631612664552.

It can be written as a sum of positive squares in 4 ways, for example, as 187289872900 + 68176343236 = 432770^2 + 261106^2 .

It is not an unprimeable number, because it can be changed into a prime (255466216139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715496 + ... + 1011368.

Almost surely, 2^255466216136 is an apocalyptic number.

It is an amenable number.

255466216136 is a deficient number, since it is larger than the sum of its proper divisors (236649173104).

255466216136 is a wasteful number, since it uses less digits than its factorization.

255466216136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298833 (or 298829 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 47.

The spelling of 255466216136 in words is "two hundred fifty-five billion, four hundred sixty-six million, two hundred sixteen thousand, one hundred thirty-six".