161848236 has 48 divisors (see below), whose sum is σ = 412731648. Its totient is φ = 48955200.

The previous prime is 161848223. The next prime is 161848261. The reversal of 161848236 is 632848161.

It is a junction number, because it is equal to n+sod(n) for n = 161848194 and 161848203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123561 + ... + 124863.

It is an arithmetic number, because the mean of its divisors is an integer number (8598576).

Almost surely, 2^161848236 is an apocalyptic number.

It is an amenable number.

161848236 is an abundant number, since it is smaller than the sum of its proper divisors (250883412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161848236 is a wasteful number, since it uses less digits than its factorization.

161848236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262 (or 2260 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 161848236 is about 12721.9588114409. The cubic root of 161848236 is about 544.9658941146.

The spelling of 161848236 in words is "one hundred sixty-one million, eight hundred forty-eight thousand, two hundred thirty-six".