255260163653 has 20 divisors (see below), whose sum is σ = 282511501440. Its totient is φ = 228726822000.

The previous prime is 255260163647. The next prime is 255260163671. The reversal of 255260163653 is 356361062552.

It is not a de Polignac number, because 255260163653 - 2¹⁶ = 255260098117 is a prime.

It is a super-2 number, since 2×255260163653² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255260163623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1144664300 + ... + 1144664522.

It is an arithmetic number, because the mean of its divisors is an integer number (14125575072).

Almost surely, 2^255260163653 is an apocalyptic number.

It is an amenable number.

255260163653 is a deficient number, since it is larger than the sum of its proper divisors (27251337787).

255260163653 is an frugal number, since it uses more digits than its factorization.

255260163653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 255260163653 in words is "two hundred fifty-five billion, two hundred sixty million, one hundred sixty-three thousand, six hundred fifty-three".