216042675 has 12 divisors (see below), whose sum is σ = 357190680. Its totient is φ = 115222720.

The previous prime is 216042661. The next prime is 216042677. The reversal of 216042675 is 576240612.

It is not a de Polignac number, because 216042675 - 2⁹ = 216042163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216042677) 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 11 ways as a sum of consecutive naturals, for example, 1440210 + ... + 1440359.

It is an arithmetic number, because the mean of its divisors is an integer number (29765890).

Almost surely, 2^216042675 is an apocalyptic number.

216042675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

216042675 is a deficient number, since it is larger than the sum of its proper divisors (141148005).

216042675 is a wasteful number, since it uses less digits than its factorization.

216042675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880582 (or 2880577 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 216042675 is about 14698.3902179797. The cubic root of 216042675 is about 600.0395112869.

The spelling of 216042675 in words is "two hundred sixteen million, forty-two thousand, six hundred seventy-five".