216738105 has 8 divisors (see below), whose sum is σ = 346780992. Its totient is φ = 115593648.

The previous prime is 216738047. The next prime is 216738133. The reversal of 216738105 is 501837612.

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

It is not a de Polignac number, because 216738105 - 2⁷ = 216737977 is a prime.

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, 7224589 + ... + 7224618.

It is an arithmetic number, because the mean of its divisors is an integer number (43347624).

Almost surely, 2^216738105 is an apocalyptic number.

It is an amenable number.

216738105 is a deficient number, since it is larger than the sum of its proper divisors (130042887).

216738105 is a wasteful number, since it uses less digits than its factorization.

216738105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14449215.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 216738105 is about 14722.0278834133. The cubic root of 216738105 is about 600.6826535678.

The spelling of 216738105 in words is "two hundred sixteen million, seven hundred thirty-eight thousand, one hundred five".