161468236 has 6 divisors (see below), whose sum is σ = 282569420. Its totient is φ = 80734116.

The previous prime is 161468233. The next prime is 161468267. The reversal of 161468236 is 632864161.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 161468195 and 161468204.

It is not an unprimeable number, because it can be changed into a prime (161468233) by changing a digit.

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 as a sum of consecutive naturals, namely, 20183526 + ... + 20183533.

Almost surely, 2^161468236 is an apocalyptic number.

It is an amenable number.

161468236 is a deficient number, since it is larger than the sum of its proper divisors (121101184).

161468236 is a wasteful number, since it uses less digits than its factorization.

161468236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40367063 (or 40367061 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 161468236 is about 12707.0152278181. The cubic root of 161468236 is about 544.5390553090.

The spelling of 161468236 in words is "one hundred sixty-one million, four hundred sixty-eight thousand, two hundred thirty-six".