216616602 has 16 divisors (see below), whose sum is σ = 448172640. Its totient is φ = 69715632.

The previous prime is 216616577. The next prime is 216616613. The reversal of 216616602 is 206616612.

It is a self number, because there is not a number n which added to its sum of digits gives 216616602.

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, 622288 + ... + 622635.

It is an arithmetic number, because the mean of its divisors is an integer number (28010790).

Almost surely, 2^216616602 is an apocalyptic number.

216616602 is an abundant number, since it is smaller than the sum of its proper divisors (231556038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216616602 is a wasteful number, since it uses less digits than its factorization.

216616602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244957.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 216616602 is about 14717.9007334606. The cubic root of 216616602 is about 600.5703853735.

The spelling of 216616602 in words is "two hundred sixteen million, six hundred sixteen thousand, six hundred two".