216610196 has 24 divisors (see below), whose sum is σ = 419706336. Its totient is φ = 96988320.

The previous prime is 216610187. The next prime is 216610201. The reversal of 216610196 is 691016612.

216610196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×216610196² = 93839954022316832, which contains 22 as substring.

It is a congruent number.

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, 33791 + ... + 39686.

It is an arithmetic number, because the mean of its divisors is an integer number (17487764).

Almost surely, 2^216610196 is an apocalyptic number.

It is an amenable number.

216610196 is a deficient number, since it is larger than the sum of its proper divisors (203096140).

216610196 is a wasteful number, since it uses less digits than its factorization.

216610196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73559 (or 73557 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 216610196 is about 14717.6831057066. The cubic root of 216610196 is about 600.5644650950.

The spelling of 216610196 in words is "two hundred sixteen million, six hundred ten thousand, one hundred ninety-six".