161236255 has 8 divisors (see below), whose sum is σ = 194040000. Its totient is φ = 128618016.

The previous prime is 161236189. The next prime is 161236277. The reversal of 161236255 is 552632161.

161236255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 161236255 - 2¹¹ = 161234207 is a prime.

It is a congruent 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, 44455 + ... + 47944.

It is an arithmetic number, because the mean of its divisors is an integer number (24255000).

Almost surely, 2^161236255 is an apocalyptic number.

161236255 is a deficient number, since it is larger than the sum of its proper divisors (32803745).

161236255 is an equidigital number, since it uses as much as digits as its factorization.

161236255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92753.

The product of its digits is 10800, while the sum is 31.

The square root of 161236255 is about 12697.8838788201. The cubic root of 161236255 is about 544.2781510348.

The spelling of 161236255 in words is "one hundred sixty-one million, two hundred thirty-six thousand, two hundred fifty-five".