201612659 has 2 divisors, whose sum is σ = 201612660. Its totient is φ = 201612658.

The previous prime is 201612599. The next prime is 201612683. The reversal of 201612659 is 956216102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201612659 - 2⁸ = 201612403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (201612559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100806329 + 100806330.

It is an arithmetic number, because the mean of its divisors is an integer number (100806330).

Almost surely, 2^201612659 is an apocalyptic number.

201612659 is a deficient number, since it is larger than the sum of its proper divisors (1).

201612659 is an equidigital number, since it uses as much as digits as its factorization.

201612659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 201612659 is about 14199.0372560959. The cubic root of 201612659 is about 586.3711563055.

The spelling of 201612659 in words is "two hundred one million, six hundred twelve thousand, six hundred fifty-nine".