216936882705 has 8 divisors (see below), whose sum is σ = 347099012352. Its totient is φ = 115699670768.

The previous prime is 216936882691. The next prime is 216936882719. The reversal of 216936882705 is 507288639612.

It is an interprime number because it is at equal distance from previous prime (216936882691) and next prime (216936882719).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216936882705 - 2⁴ = 216936882689 is a prime.

It is a super-2 number, since 2×216936882705² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 7231229409 + ... + 7231229438.

It is an arithmetic number, because the mean of its divisors is an integer number (43387376544).

Almost surely, 2^216936882705 is an apocalyptic number.

It is an amenable number.

216936882705 is a deficient number, since it is larger than the sum of its proper divisors (130162129647).

216936882705 is a wasteful number, since it uses less digits than its factorization.

216936882705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14462458855.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 216936882705 in words is "two hundred sixteen billion, nine hundred thirty-six million, eight hundred eighty-two thousand, seven hundred five".