201566036 has 24 divisors (see below), whose sum is σ = 403952640. Its totient is φ = 86209632.

The previous prime is 201566023. The next prime is 201566039. The reversal of 201566036 is 630665102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201566039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7181 + ... + 21323.

It is an arithmetic number, because the mean of its divisors is an integer number (16831360).

Almost surely, 2^201566036 is an apocalyptic number.

It is an amenable number.

201566036 is an abundant number, since it is smaller than the sum of its proper divisors (202386604).

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

201566036 is a wasteful number, since it uses less digits than its factorization.

201566036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14663 (or 14661 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 201566036 is about 14197.3953949307. The cubic root of 201566036 is about 586.3259533072.

The spelling of 201566036 in words is "two hundred one million, five hundred sixty-six thousand, thirty-six".