161230263 has 8 divisors (see below), whose sum is σ = 219973248. Its totient is φ = 104987064.

The previous prime is 161230247. The next prime is 161230283. The reversal of 161230263 is 362032161.

It is a happy number.

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

It is not a de Polignac number, because 161230263 - 2⁴ = 161230247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161230283) 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, 624795 + ... + 625052.

It is an arithmetic number, because the mean of its divisors is an integer number (27496656).

Almost surely, 2^161230263 is an apocalyptic number.

161230263 is a deficient number, since it is larger than the sum of its proper divisors (58742985).

161230263 is a wasteful number, since it uses less digits than its factorization.

161230263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249893.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 161230263 is about 12697.6479318022. The cubic root of 161230263 is about 544.2714086408.

The spelling of 161230263 in words is "one hundred sixty-one million, two hundred thirty thousand, two hundred sixty-three".