216361706 has 16 divisors (see below), whose sum is σ = 354274560. Its totient is φ = 98282880.

The previous prime is 216361699. The next prime is 216361711. The reversal of 216361706 is 607163612.

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, 58010 + ... + 61626.

It is an arithmetic number, because the mean of its divisors is an integer number (22142160).

Almost surely, 2^216361706 is an apocalyptic number.

216361706 is a deficient number, since it is larger than the sum of its proper divisors (137912854).

216361706 is a wasteful number, since it uses less digits than its factorization.

216361706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6349.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 216361706 is about 14709.2387974361. The cubic root of 216361706 is about 600.3347261922.

The spelling of 216361706 in words is "two hundred sixteen million, three hundred sixty-one thousand, seven hundred six".