161041255 has 8 divisors (see below), whose sum is σ = 204617232. Its totient is φ = 121254528.

The previous prime is 161041247. The next prime is 161041259. The reversal of 161041255 is 552140161.

It is a happy number.

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 161041255 - 2³ = 161041247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161041259) 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, 947217 + ... + 947386.

It is an arithmetic number, because the mean of its divisors is an integer number (25577154).

Almost surely, 2^161041255 is an apocalyptic number.

161041255 is a deficient number, since it is larger than the sum of its proper divisors (43575977).

161041255 is a wasteful number, since it uses less digits than its factorization.

161041255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894625.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 161041255 is about 12690.2031110617. The cubic root of 161041255 is about 544.0586448725.

The spelling of 161041255 in words is "one hundred sixty-one million, forty-one thousand, two hundred fifty-five".