16938052145 has 8 divisors (see below), whose sum is σ = 23229328704. Its totient is φ = 11614664304.

The previous prime is 16938052139. The next prime is 16938052237. The reversal of 16938052145 is 54125083961.

It is a happy number.

16938052145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16938052145 is a prime.

It is a super-2 number, since 2×16938052145² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16938052096 and 16938052105.

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 7 ways as a sum of consecutive naturals, for example, 241972139 + ... + 241972208.

It is an arithmetic number, because the mean of its divisors is an integer number (2903666088).

Almost surely, 2^16938052145 is an apocalyptic number.

It is an amenable number.

16938052145 is a deficient number, since it is larger than the sum of its proper divisors (6291276559).

16938052145 is an equidigital number, since it uses as much as digits as its factorization.

16938052145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483944359.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 16938052145 in words is "sixteen billion, nine hundred thirty-eight million, fifty-two thousand, one hundred forty-five".