216507422375 has 16 divisors (see below), whose sum is σ = 270225319104. Its totient is φ = 173190517600.

The previous prime is 216507422333. The next prime is 216507422389. The reversal of 216507422375 is 573224705612.

216507422375 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 216507422375 - 2¹⁶ = 216507356839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453622 + ... + 1595628.

It is an arithmetic number, because the mean of its divisors is an integer number (16889082444).

Almost surely, 2^216507422375 is an apocalyptic number.

216507422375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

216507422375 is a deficient number, since it is larger than the sum of its proper divisors (53717896729).

216507422375 is a wasteful number, since it uses less digits than its factorization.

216507422375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154219 (or 154209 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 216507422375 in words is "two hundred sixteen billion, five hundred seven million, four hundred twenty-two thousand, three hundred seventy-five".