216330805075 has 96 divisors (see below), whose sum is σ = 357430123008. Its totient is φ = 125734656000.

The previous prime is 216330805051. The next prime is 216330805087. The reversal of 216330805075 is 570508033612.

It is not a de Polignac number, because 216330805075 - 2¹⁷ = 216330674003 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3470685 + ... + 3532465.

It is an arithmetic number, because the mean of its divisors is an integer number (3723230448).

Almost surely, 2^216330805075 is an apocalyptic number.

216330805075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

216330805075 is a deficient number, since it is larger than the sum of its proper divisors (141099317933).

216330805075 is a wasteful number, since it uses less digits than its factorization.

216330805075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61933 (or 61928 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

Adding to 216330805075 its reverse (570508033612), we get a palindrome (786838838687).

The spelling of 216330805075 in words is "two hundred sixteen billion, three hundred thirty million, eight hundred five thousand, seventy-five".