216244701 has 16 divisors (see below), whose sum is σ = 328177920. Its totient is φ = 140646240.

The previous prime is 216244673. The next prime is 216244723. The reversal of 216244701 is 107442612.

216244701 is a `hidden beast` number, since 216 + 2 + 447 + 0 + 1 = 666.

It is not a de Polignac number, because 216244701 - 2¹⁷ = 216113629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216244751) 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, 96565 + ... + 98778.

It is an arithmetic number, because the mean of its divisors is an integer number (20511120).

Almost surely, 2^216244701 is an apocalyptic number.

It is an amenable number.

216244701 is a deficient number, since it is larger than the sum of its proper divisors (111933219).

216244701 is a wasteful number, since it uses less digits than its factorization.

216244701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195393 (or 195387 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 216244701 is about 14705.2609973438. The cubic root of 216244701 is about 600.2264894934.

The spelling of 216244701 in words is "two hundred sixteen million, two hundred forty-four thousand, seven hundred one".