162961255 has 8 divisors (see below), whose sum is σ = 197284752. Its totient is φ = 129214848.

The previous prime is 162961247. The next prime is 162961289. The reversal of 162961255 is 552169261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162961255 - 2³ = 162961247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143649 + ... + 144778.

It is an arithmetic number, because the mean of its divisors is an integer number (24660594).

Almost surely, 2^162961255 is an apocalyptic number.

162961255 is a deficient number, since it is larger than the sum of its proper divisors (34323497).

162961255 is a wasteful number, since it uses less digits than its factorization.

162961255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288545.

The product of its digits is 32400, while the sum is 37.

The square root of 162961255 is about 12765.6278733167. The cubic root of 162961255 is about 546.2122721614.

It can be divided in two parts, 162961 and 255, that added together give a square (163216 = 404²).

The spelling of 162961255 in words is "one hundred sixty-two million, nine hundred sixty-one thousand, two hundred fifty-five".