201986061 has 16 divisors (see below), whose sum is σ = 288598464. Its totient is φ = 125206784.

The previous prime is 201986053. The next prime is 201986063. The reversal of 201986061 is 160689102.

It is a cyclic number.

It is not a de Polignac number, because 201986061 - 2³ = 201986053 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201986063) 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, 19626 + ... + 28091.

It is an arithmetic number, because the mean of its divisors is an integer number (18037404).

Almost surely, 2^201986061 is an apocalyptic number.

It is an amenable number.

201986061 is a deficient number, since it is larger than the sum of its proper divisors (86612403).

201986061 is a wasteful number, since it uses less digits than its factorization.

201986061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47820.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 201986061 is about 14212.1800227833. The cubic root of 201986061 is about 586.7329343977.

The spelling of 201986061 in words is "two hundred one million, nine hundred eighty-six thousand, sixty-one".