10181861548 has 24 divisors (see below), whose sum is σ = 17921882160. Its totient is φ = 5061376320.

The previous prime is 10181861537. The next prime is 10181861549. The reversal of 10181861548 is 84516818101.

10181861548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10181861549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849018 + ... + 860926.

It is an arithmetic number, because the mean of its divisors is an integer number (746745090).

Almost surely, 2^10181861548 is an apocalyptic number.

It is an amenable number.

10181861548 is a deficient number, since it is larger than the sum of its proper divisors (7740020612).

10181861548 is a wasteful number, since it uses less digits than its factorization.

10181861548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13137 (or 13135 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 43.

The spelling of 10181861548 in words is "ten billion, one hundred eighty-one million, eight hundred sixty-one thousand, five hundred forty-eight".