216516070 has 8 divisors (see below), whose sum is σ = 389728944. Its totient is φ = 86606424.

The previous prime is 216516067. The next prime is 216516103. The reversal of 216516070 is 70615612.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10825794 + ... + 10825813.

It is an arithmetic number, because the mean of its divisors is an integer number (48716118).

Almost surely, 2^216516070 is an apocalyptic number.

216516070 is a deficient number, since it is larger than the sum of its proper divisors (173212874).

216516070 is a wasteful number, since it uses less digits than its factorization.

216516070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21651614.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 216516070 is about 14714.4850402588. The cubic root of 216516070 is about 600.4774625410.

The spelling of 216516070 in words is "two hundred sixteen million, five hundred sixteen thousand, seventy".