161046236 has 24 divisors (see below), whose sum is σ = 321365520. Its totient is φ = 69956352.

The previous prime is 161046229. The next prime is 161046239. The reversal of 161046236 is 632640161.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 161046199 and 161046208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161046239) 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, 90206 + ... + 91973.

It is an arithmetic number, because the mean of its divisors is an integer number (13390230).

Almost surely, 2^161046236 is an apocalyptic number.

It is an amenable number.

161046236 is a deficient number, since it is larger than the sum of its proper divisors (160319284).

161046236 is a wasteful number, since it uses less digits than its factorization.

161046236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182213 (or 182211 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 161046236 is about 12690.3993632982. The cubic root of 161046236 is about 544.0642540526.

Adding to 161046236 its reverse (632640161), we get a palindrome (793686397).

The spelling of 161046236 in words is "one hundred sixty-one million, forty-six thousand, two hundred thirty-six".