216173350 has 12 divisors (see below), whose sum is σ = 402082524. Its totient is φ = 86469320.

The previous prime is 216173333. The next prime is 216173369. The reversal of 216173350 is 53371612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2161684 + ... + 2161783.

It is an arithmetic number, because the mean of its divisors is an integer number (33506877).

Almost surely, 2^216173350 is an apocalyptic number.

216173350 is a deficient number, since it is larger than the sum of its proper divisors (185909174).

216173350 is a wasteful number, since it uses less digits than its factorization.

216173350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323479 (or 4323474 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 216173350 is about 14702.8347606848. The cubic root of 216173350 is about 600.1604663397.

The spelling of 216173350 in words is "two hundred sixteen million, one hundred seventy-three thousand, three hundred fifty".