216104738 has 8 divisors (see below), whose sum is σ = 324300288. Its totient is φ = 108004644.

The previous prime is 216104729. The next prime is 216104767. The reversal of 216104738 is 837401612.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17906 + ... + 27437.

It is an arithmetic number, because the mean of its divisors is an integer number (40537536).

Almost surely, 2^216104738 is an apocalyptic number.

216104738 is a deficient number, since it is larger than the sum of its proper divisors (108195550).

216104738 is a wasteful number, since it uses less digits than its factorization.

216104738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47728.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 216104738 is about 14700.5012839699. The cubic root of 216104738 is about 600.0969639588.

The spelling of 216104738 in words is "two hundred sixteen million, one hundred four thousand, seven hundred thirty-eight".