216375375 has 32 divisors (see below), whose sum is σ = 375717888. Its totient is φ = 110378400.

The previous prime is 216375373. The next prime is 216375377. The reversal of 216375375 is 573573612.

216375375 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 (216375373) and next prime (216375377).

It is not a de Polignac number, because 216375375 - 2¹ = 216375373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216375373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3919 + ... + 21168.

It is an arithmetic number, because the mean of its divisors is an integer number (11741184).

Almost surely, 2^216375375 is an apocalyptic number.

216375375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

216375375 is a deficient number, since it is larger than the sum of its proper divisors (159342513).

216375375 is a wasteful number, since it uses less digits than its factorization.

216375375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25128 (or 25118 counting only the distinct ones).

The product of its digits is 132300, while the sum is 39.

The square root of 216375375 is about 14709.7034300492. The cubic root of 216375375 is about 600.3473682977.

The spelling of 216375375 in words is "two hundred sixteen million, three hundred seventy-five thousand, three hundred seventy-five".