153786161 has 2 divisors, whose sum is σ = 153786162. Its totient is φ = 153786160.

The previous prime is 153786151. The next prime is 153786163. The reversal of 153786161 is 161687351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145347136 + 8439025 = 12056^2 + 2905^2 .

It is a cyclic number.

It is not a de Polignac number, because 153786161 - 2¹⁸ = 153524017 is a prime.

Together with 153786163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (153786163) 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, 76893080 + 76893081.

It is an arithmetic number, because the mean of its divisors is an integer number (76893081).

Almost surely, 2^153786161 is an apocalyptic number.

It is an amenable number.

153786161 is a deficient number, since it is larger than the sum of its proper divisors (1).

153786161 is an equidigital number, since it uses as much as digits as its factorization.

153786161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 38.

The square root of 153786161 is about 12401.0548341663. The cubic root of 153786161 is about 535.7626308895.

The spelling of 153786161 in words is "one hundred fifty-three million, seven hundred eighty-six thousand, one hundred sixty-one".