216075836 has 6 divisors (see below), whose sum is σ = 378132720. Its totient is φ = 108037916.

The previous prime is 216075829. The next prime is 216075851. The reversal of 216075836 is 638570612.

It is a self number, because there is not a number n which added to its sum of digits gives 216075836.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 27009476 + ... + 27009483.

It is an arithmetic number, because the mean of its divisors is an integer number (63022120).

Almost surely, 2^216075836 is an apocalyptic number.

It is an amenable number.

216075836 is a deficient number, since it is larger than the sum of its proper divisors (162056884).

216075836 is a wasteful number, since it uses less digits than its factorization.

216075836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54018963 (or 54018961 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 216075836 is about 14699.5182233977. The cubic root of 216075836 is about 600.0702103024.

The spelling of 216075836 in words is "two hundred sixteen million, seventy-five thousand, eight hundred thirty-six".