216010605 has 8 divisors (see below), whose sum is σ = 345616992. Its totient is φ = 115205648.

The previous prime is 216010603. The next prime is 216010609. The reversal of 216010605 is 506010612.

It is a happy number.

216010605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 216010605 - 2¹ = 216010603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216010603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7200339 + ... + 7200368.

It is an arithmetic number, because the mean of its divisors is an integer number (43202124).

Almost surely, 2^216010605 is an apocalyptic number.

It is an amenable number.

216010605 is a deficient number, since it is larger than the sum of its proper divisors (129606387).

216010605 is a wasteful number, since it uses less digits than its factorization.

216010605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14400715.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 216010605 is about 14697.2992416974. The cubic root of 216010605 is about 600.0098192837.

The spelling of 216010605 in words is "two hundred sixteen million, ten thousand, six hundred five".