215722938016 has 24 divisors (see below), whose sum is σ = 434581386624. Its totient is φ = 105353062080.

The previous prime is 215722937977. The next prime is 215722938077. The reversal of 215722938016 is 610839227512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78386320 + ... + 78389071.

It is an arithmetic number, because the mean of its divisors is an integer number (18107557776).

Almost surely, 2^215722938016 is an apocalyptic number.

It is an amenable number.

215722938016 is an abundant number, since it is smaller than the sum of its proper divisors (218858448608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215722938016 is a wasteful number, since it uses less digits than its factorization.

215722938016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156775444 (or 156775436 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 215722938016 in words is "two hundred fifteen billion, seven hundred twenty-two million, nine hundred thirty-eight thousand, sixteen".