216700486 has 4 divisors (see below), whose sum is σ = 325050732. Its totient is φ = 108350242.

The previous prime is 216700469. The next prime is 216700507. The reversal of 216700486 is 684007612.

216700486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54175120 + ... + 54175123.

It is an arithmetic number, because the mean of its divisors is an integer number (81262683).

Almost surely, 2^216700486 is an apocalyptic number.

216700486 is a deficient number, since it is larger than the sum of its proper divisors (108350246).

216700486 is a wasteful number, since it uses less digits than its factorization.

216700486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108350245.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 216700486 is about 14720.7501846883. The cubic root of 216700486 is about 600.6478982760.

The spelling of 216700486 in words is "two hundred sixteen million, seven hundred thousand, four hundred eighty-six".