216713967 has 16 divisors (see below), whose sum is σ = 291264000. Its totient is φ = 143325504.

The previous prime is 216713953. The next prime is 216713969. The reversal of 216713967 is 769317612.

It is not a de Polignac number, because 216713967 - 2¹⁰ = 216712943 is a prime.

It is a super-4 number, since 4×216713967⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216713969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292884 + ... + 293622.

It is an arithmetic number, because the mean of its divisors is an integer number (18204000).

Almost surely, 2^216713967 is an apocalyptic number.

216713967 is a deficient number, since it is larger than the sum of its proper divisors (74550033).

216713967 is a wasteful number, since it uses less digits than its factorization.

216713967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390.

The product of its digits is 95256, while the sum is 42.

The square root of 216713967 is about 14721.2080686335. The cubic root of 216713967 is about 600.6603535110.

The spelling of 216713967 in words is "two hundred sixteen million, seven hundred thirteen thousand, nine hundred sixty-seven".