201116570 has 16 divisors (see below), whose sum is σ = 362494440. Its totient is φ = 80338944.

The previous prime is 201116567. The next prime is 201116581. The reversal of 201116570 is 75611102.

It can be written as a sum of positive squares in 4 ways, for example, as 111492481 + 89624089 = 10559^2 + 9467^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5387 + ... + 20766.

Almost surely, 2^201116570 is an apocalyptic number.

201116570 is a deficient number, since it is larger than the sum of its proper divisors (161377870).

201116570 is a wasteful number, since it uses less digits than its factorization.

201116570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26929.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 201116570 is about 14181.5573897933. The cubic root of 201116570 is about 585.8898188092.

Adding to 201116570 its reverse (75611102), we get a palindrome (276727672).

It can be divided in two parts, 2011 and 16570, that added together give a palindrome (18581).

The spelling of 201116570 in words is "two hundred one million, one hundred sixteen thousand, five hundred seventy".