7216170201 has 40 divisors (see below), whose sum is σ = 10922861664. Its totient is φ = 4747256640.

The previous prime is 7216170193. The next prime is 7216170209. The reversal of 7216170201 is 1020716127.

7216170201 is a `hidden beast` number, since 7 + 21 + 617 + 0 + 20 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (7216170193) and next prime (7216170209).

It is not a de Polignac number, because 7216170201 - 2³ = 7216170193 is a prime.

It is a super-2 number, since 2×7216170201² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (7216170209) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2433946 + ... + 2436908.

Almost surely, 2^7216170201 is an apocalyptic number.

It is an amenable number.

7216170201 is a deficient number, since it is larger than the sum of its proper divisors (3706691463).

7216170201 is a wasteful number, since it uses less digits than its factorization.

7216170201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363 (or 3354 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 7216170201 is about 84948.0441269839. The cubic root of 7216170201 is about 1932.4232585069.

Adding to 7216170201 its reverse (1020716127), we get a palindrome (8236886328).

The spelling of 7216170201 in words is "seven billion, two hundred sixteen million, one hundred seventy thousand, two hundred one".