216732095 has 4 divisors (see below), whose sum is σ = 260078520. Its totient is φ = 173385672.

The previous prime is 216732091. The next prime is 216732097. The reversal of 216732095 is 590237612.

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

It is a cyclic number.

It is not a de Polignac number, because 216732095 - 2² = 216732091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216732091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21673205 + ... + 21673214.

It is an arithmetic number, because the mean of its divisors is an integer number (65019630).

Almost surely, 2^216732095 is an apocalyptic number.

216732095 is a deficient number, since it is larger than the sum of its proper divisors (43346425).

216732095 is an equidigital number, since it uses as much as digits as its factorization.

216732095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43346424.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 216732095 is about 14721.8237660964. The cubic root of 216732095 is about 600.6771013429.

The spelling of 216732095 in words is "two hundred sixteen million, seven hundred thirty-two thousand, ninety-five".