16375128906 has 64 divisors (see below), whose sum is σ = 33849446400. Its totient is φ = 5278378560.

The previous prime is 16375128901. The next prime is 16375128911. The reversal of 16375128906 is 60982157361.

It is an interprime number because it is at equal distance from previous prime (16375128901) and next prime (16375128911).

It is not an unprimeable number, because it can be changed into a prime (16375128901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8864875 + ... + 8866721.

It is an arithmetic number, because the mean of its divisors is an integer number (528897600).

Almost surely, 2^16375128906 is an apocalyptic number.

16375128906 is an abundant number, since it is smaller than the sum of its proper divisors (17474317494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16375128906 is a wasteful number, since it uses less digits than its factorization.

16375128906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 16375128906 in words is "sixteen billion, three hundred seventy-five million, one hundred twenty-eight thousand, nine hundred six".