216334501 has 4 divisors (see below), whose sum is σ = 216371104. Its totient is φ = 216297900.

The previous prime is 216334493. The next prime is 216334549. The reversal of 216334501 is 105433612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 216334501 - 2³ = 216334493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216331501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7185 + ... + 22006.

It is an arithmetic number, because the mean of its divisors is an integer number (54092776).

Almost surely, 2^216334501 is an apocalyptic number.

It is an amenable number.

216334501 is a deficient number, since it is larger than the sum of its proper divisors (36603).

216334501 is an equidigital number, since it uses as much as digits as its factorization.

216334501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36602.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 216334501 is about 14708.3140094302. The cubic root of 216334501 is about 600.3095634048.

The spelling of 216334501 in words is "two hundred sixteen million, three hundred thirty-four thousand, five hundred one".