216353016610 has 8 divisors (see below), whose sum is σ = 389435429916. Its totient is φ = 86541206640.

The previous prime is 216353016589. The next prime is 216353016653. The reversal of 216353016610 is 16610353612.

It can be written as a sum of positive squares in 2 ways, for example, as 198266263441 + 18086753169 = 445271^2 + 134487^2 .

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, 10817650821 + ... + 10817650840.

Almost surely, 2^216353016610 is an apocalyptic number.

216353016610 is a deficient number, since it is larger than the sum of its proper divisors (173082413306).

216353016610 is a wasteful number, since it uses less digits than its factorization.

216353016610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21635301668.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 216353016610 in words is "two hundred sixteen billion, three hundred fifty-three million, sixteen thousand, six hundred ten".