201534160 has 20 divisors (see below), whose sum is σ = 468567108. Its totient is φ = 80613632.

The previous prime is 201534089. The next prime is 201534161. The reversal of 201534160 is 61435102.

It can be written as a sum of positive squares in 2 ways, for example, as 73753744 + 127780416 = 8588^2 + 11304^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201534161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259509 + ... + 1259668.

Almost surely, 2^201534160 is an apocalyptic number.

201534160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201534160 is an abundant number, since it is smaller than the sum of its proper divisors (267032948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201534160 is a wasteful number, since it uses less digits than its factorization.

201534160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519190 (or 2519184 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 201534160 is about 14196.2727502679. The cubic root of 201534160 is about 586.2950441459.

Adding to 201534160 its reverse (61435102), we get a palindrome (262969262).

It can be divided in two parts, 201 and 534160, that added together give a square (534361 = 731²).

The spelling of 201534160 in words is "two hundred one million, five hundred thirty-four thousand, one hundred sixty".