216336351551522 has 16 divisors (see below), whose sum is σ = 325051307544960. Its totient is φ = 107986069059792.

The previous prime is 216336351551483. The next prime is 216336351551651. The reversal of 216336351551522 is 225155153633612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35516522 + ... + 41159397.

It is an arithmetic number, because the mean of its divisors is an integer number (20315706721560).

Almost surely, 2^{216336351551522} is an apocalyptic number.

216336351551522 is a deficient number, since it is larger than the sum of its proper divisors (108714955993438).

216336351551522 is a wasteful number, since it uses less digits than its factorization.

216336351551522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76678297.

The product of its digits is 4860000, while the sum is 50.

The spelling of 216336351551522 in words is "two hundred sixteen trillion, three hundred thirty-six billion, three hundred fifty-one million, five hundred fifty-one thousand, five hundred twenty-two".