215752016 has 20 divisors (see below), whose sum is σ = 420589152. Its totient is φ = 107212896.

The previous prime is 215752007. The next prime is 215752037. The reversal of 215752016 is 610257512.

It is a self number, because there is not a number n which added to its sum of digits gives 215752016.

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 in 3 ways as a sum of consecutive naturals, for example, 38756 + ... + 43971.

Almost surely, 2^215752016 is an apocalyptic number.

It is an amenable number.

215752016 is a deficient number, since it is larger than the sum of its proper divisors (204837136).

215752016 is a wasteful number, since it uses less digits than its factorization.

215752016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82898 (or 82892 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 215752016 is about 14688.4994468462. The cubic root of 215752016 is about 599.7702972575.

The spelling of 215752016 in words is "two hundred fifteen million, seven hundred fifty-two thousand, sixteen".