161652255 has 8 divisors (see below), whose sum is σ = 258643632. Its totient is φ = 86214528.

The previous prime is 161652193. The next prime is 161652287. The reversal of 161652255 is 552256161.

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

It is not a de Polignac number, because 161652255 - 2¹¹ = 161650207 is a prime.

It is a super-2 number, since 2×161652255² = 52262903093170050, which contains 22 as substring.

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, 5388394 + ... + 5388423.

It is an arithmetic number, because the mean of its divisors is an integer number (32330454).

Almost surely, 2^161652255 is an apocalyptic number.

161652255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161652255 is a deficient number, since it is larger than the sum of its proper divisors (96991377).

161652255 is a wasteful number, since it uses less digits than its factorization.

161652255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10776825.

The product of its digits is 18000, while the sum is 33.

The square root of 161652255 is about 12714.2540087887. The cubic root of 161652255 is about 544.7458400245.

The spelling of 161652255 in words is "one hundred sixty-one million, six hundred fifty-two thousand, two hundred fifty-five".