216013707 has 72 divisors (see below), whose sum is σ = 400851360. Its totient is φ = 111041280.

The previous prime is 216013687. The next prime is 216013711. The reversal of 216013707 is 707310612.

216013707 is a `hidden beast` number, since 21 + 601 + 37 + 0 + 7 = 666.

It is not a de Polignac number, because 216013707 - 2¹² = 216009611 is a prime.

It is a super-2 number, since 2×216013707² = 93323843223763698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216013727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 234594 + ... + 235512.

It is an arithmetic number, because the mean of its divisors is an integer number (5567380).

Almost surely, 2^216013707 is an apocalyptic number.

216013707 is a deficient number, since it is larger than the sum of its proper divisors (184837653).

216013707 is a wasteful number, since it uses less digits than its factorization.

216013707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 216013707 is about 14697.4047709111. The cubic root of 216013707 is about 600.0126913982.

The spelling of 216013707 in words is "two hundred sixteen million, thirteen thousand, seven hundred seven".