201516061 has 4 divisors (see below), whose sum is σ = 202722912. Its totient is φ = 200309212.

The previous prime is 201516043. The next prime is 201516067. The reversal of 201516061 is 160615102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201516061 - 2⁹ = 201515549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201516067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603175 + ... + 603508.

It is an arithmetic number, because the mean of its divisors is an integer number (50680728).

Almost surely, 2^201516061 is an apocalyptic number.

It is an amenable number.

201516061 is a deficient number, since it is larger than the sum of its proper divisors (1206851).

201516061 is a wasteful number, since it uses less digits than its factorization.

201516061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206850.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 201516061 is about 14195.6352799021. The cubic root of 201516061 is about 586.2774926604.

The spelling of 201516061 in words is "two hundred one million, five hundred sixteen thousand, sixty-one".