161846056 has 8 divisors (see below), whose sum is σ = 303461370. Its totient is φ = 80923024.

The previous prime is 161846053. The next prime is 161846057. The reversal of 161846056 is 650648161.

It can be written as a sum of positive squares in only one way, i.e., 114704100 + 47141956 = 10710^2 + 6866^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (161846053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115371 + ... + 10115386.

Almost surely, 2^161846056 is an apocalyptic number.

It is an amenable number.

161846056 is a deficient number, since it is larger than the sum of its proper divisors (141615314).

161846056 is a wasteful number, since it uses less digits than its factorization.

161846056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20230763 (or 20230759 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 161846056 is about 12721.8731325226. The cubic root of 161846056 is about 544.9634473142.

It can be divided in two parts, 1618 and 46056, that added together give a palindrome (47674).

The spelling of 161846056 in words is "one hundred sixty-one million, eight hundred forty-six thousand, fifty-six".