16139168945 has 16 divisors (see below), whose sum is σ = 19676079360. Its totient is φ = 12706773504.

The previous prime is 16139168939. The next prime is 16139168951. The reversal of 16139168945 is 54986193161.

16139168945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16139168939) and next prime (16139168951).

It is a cyclic number.

It is not a de Polignac number, because 16139168945 - 2³⁰ = 15065427121 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6137 + ... + 179766.

It is an arithmetic number, because the mean of its divisors is an integer number (1229754960).

Almost surely, 2^16139168945 is an apocalyptic number.

It is an amenable number.

16139168945 is a deficient number, since it is larger than the sum of its proper divisors (3536910415).

16139168945 is a wasteful number, since it uses less digits than its factorization.

16139168945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186184.

The product of its digits is 1399680, while the sum is 53.

The spelling of 16139168945 in words is "sixteen billion, one hundred thirty-nine million, one hundred sixty-eight thousand, nine hundred forty-five".