18249461116 has 6 divisors (see below), whose sum is σ = 31936556960. Its totient is φ = 9124730556.

The previous prime is 18249461081. The next prime is 18249461117. The reversal of 18249461116 is 61116494281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18249461117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2281182636 + ... + 2281182643.

Almost surely, 2^18249461116 is an apocalyptic number.

It is an amenable number.

18249461116 is a deficient number, since it is larger than the sum of its proper divisors (13687095844).

18249461116 is a wasteful number, since it uses less digits than its factorization.

18249461116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562365283 (or 4562365281 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The spelling of 18249461116 in words is "eighteen billion, two hundred forty-nine million, four hundred sixty-one thousand, one hundred sixteen".