216336351551515 has 16 divisors (see below), whose sum is σ = 279710920036800. Its totient is φ = 159677338534272.

The previous prime is 216336351551483. The next prime is 216336351551651. The reversal of 216336351551515 is 515155153633612.

It is not a de Polignac number, because 216336351551515 - 2⁵ = 216336351551483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820038535 + ... + 820302304.

It is an arithmetic number, because the mean of its divisors is an integer number (17481932502300).

Almost surely, 2^{216336351551515} is an apocalyptic number.

216336351551515 is a deficient number, since it is larger than the sum of its proper divisors (63374568485285).

216336351551515 is a wasteful number, since it uses less digits than its factorization.

216336351551515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640342886.

The product of its digits is 6075000, while the sum is 52.

The spelling of 216336351551515 in words is "two hundred sixteen trillion, three hundred thirty-six billion, three hundred fifty-one million, five hundred fifty-one thousand, five hundred fifteen".