180994941 has 12 divisors (see below), whose sum is σ = 261554332. Its totient is φ = 120609216.

The previous prime is 180994909. The next prime is 180994963. The reversal of 180994941 is 149499081.

It can be written as a sum of positive squares in 2 ways, for example, as 125552025 + 55442916 = 11205^2 + 7446^2 .

It is not a de Polignac number, because 180994941 - 2⁵ = 180994909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180994141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34035 + ... + 38991.

Almost surely, 2^180994941 is an apocalyptic number.

It is an amenable number.

180994941 is a deficient number, since it is larger than the sum of its proper divisors (80559391).

180994941 is a wasteful number, since it uses less digits than its factorization.

180994941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9020 (or 9017 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 180994941 is about 13453.4360295056. The cubic root of 180994941 is about 565.6600123662.

The spelling of 180994941 in words is "one hundred eighty million, nine hundred ninety-four thousand, nine hundred forty-one".