16668115075 has 12 divisors (see below), whose sum is σ = 21018777480. Its totient is φ = 13108482560.

The previous prime is 16668115073. The next prime is 16668115091. The reversal of 16668115075 is 57051186661.

16668115075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16668115075 - 2¹ = 16668115073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16668115073) 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 11 ways as a sum of consecutive naturals, for example, 5648734 + ... + 5651683.

It is an arithmetic number, because the mean of its divisors is an integer number (1751564790).

Almost surely, 2^16668115075 is an apocalyptic number.

16668115075 is a deficient number, since it is larger than the sum of its proper divisors (4350662405).

16668115075 is a wasteful number, since it uses less digits than its factorization.

16668115075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11300486 (or 11300481 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 16668115075 in words is "sixteen billion, six hundred sixty-eight million, one hundred fifteen thousand, seventy-five".