216710701 has 4 divisors (see below), whose sum is σ = 217845504. Its totient is φ = 215575900.

The previous prime is 216710671. The next prime is 216710719. The reversal of 216710701 is 107017612.

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 216710701 - 2²¹ = 214613549 is a prime.

It is a super-2 number, since 2×216710701² = 93927055855822802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216710401) 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, 567115 + ... + 567496.

It is an arithmetic number, because the mean of its divisors is an integer number (54461376).

Almost surely, 2^216710701 is an apocalyptic number.

It is an amenable number.

216710701 is a deficient number, since it is larger than the sum of its proper divisors (1134803).

216710701 is a wasteful number, since it uses less digits than its factorization.

216710701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134802.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 216710701 is about 14721.0971398194. The cubic root of 216710701 is about 600.6573360673.

The spelling of 216710701 in words is "two hundred sixteen million, seven hundred ten thousand, seven hundred one".