255473163165 has 16 divisors (see below), whose sum is σ = 445916794176. Its totient is φ = 123865776000.

The previous prime is 255473163137. The next prime is 255473163263. The reversal of 255473163165 is 561361374552.

It is a happy number.

It is not a de Polignac number, because 255473163165 - 2¹⁰ = 255473162141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774160936 + ... + 774161265.

It is an arithmetic number, because the mean of its divisors is an integer number (27869799636).

Almost surely, 2^255473163165 is an apocalyptic number.

It is an amenable number.

255473163165 is a deficient number, since it is larger than the sum of its proper divisors (190443631011).

255473163165 is a wasteful number, since it uses less digits than its factorization.

255473163165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548322220.

The product of its digits is 2268000, while the sum is 48.

The spelling of 255473163165 in words is "two hundred fifty-five billion, four hundred seventy-three million, one hundred sixty-three thousand, one hundred sixty-five".