1606151 has 2 divisors, whose sum is σ = 1606152. Its totient is φ = 1606150.

The previous prime is 1606139. The next prime is 1606153. The reversal of 1606151 is 1516061.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1516061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1606151 - 2¹⁰ = 1605127 is a prime.

Together with 1606153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803075 + 803076.

It is an arithmetic number, because the mean of its divisors is an integer number (803076).

2^1606151 is an apocalyptic number.

1606151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606151 is an equidigital number, since it uses as much as digits as its factorization.

1606151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1606151 is about 1267.3401279846. The cubic root of 1606151 is about 117.1103981482.

The spelling of 1606151 in words is "one million, six hundred six thousand, one hundred fifty-one".