255161570 has 16 divisors (see below), whose sum is σ = 469972800. Its totient is φ = 99690864.

The previous prime is 255161567. The next prime is 255161587. The reversal of 255161570 is 75161552.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296270 + ... + 297129.

It is an arithmetic number, because the mean of its divisors is an integer number (29373300).

Almost surely, 2^255161570 is an apocalyptic number.

255161570 is a deficient number, since it is larger than the sum of its proper divisors (214811230).

255161570 is a wasteful number, since it uses less digits than its factorization.

255161570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593449.

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 255161570 is about 15973.7775745125. Note that the first 3 decimals coincide. The cubic root of 255161570 is about 634.2664727188.

The spelling of 255161570 in words is "two hundred fifty-five million, one hundred sixty-one thousand, five hundred seventy".