216757013 has 8 divisors (see below), whose sum is σ = 236644416. Its totient is φ = 196900000.

The previous prime is 216757003. The next prime is 216757033. The reversal of 216757013 is 310757612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216757013 - 2¹⁶ = 216691477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216757003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8888 + ... + 22638.

It is an arithmetic number, because the mean of its divisors is an integer number (29580552).

Almost surely, 2^216757013 is an apocalyptic number.

It is an amenable number.

216757013 is a deficient number, since it is larger than the sum of its proper divisors (19887403).

216757013 is a wasteful number, since it uses less digits than its factorization.

216757013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15195.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 216757013 is about 14722.6700363759. The cubic root of 216757013 is about 600.7001206969.

The spelling of 216757013 in words is "two hundred sixteen million, seven hundred fifty-seven thousand, thirteen".