161030687 has 2 divisors, whose sum is σ = 161030688. Its totient is φ = 161030686.

The previous prime is 161030633. The next prime is 161030693. The reversal of 161030687 is 786030161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161030687 - 2¹⁶ = 160965151 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161030887) 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, 80515343 + 80515344.

It is an arithmetic number, because the mean of its divisors is an integer number (80515344).

Almost surely, 2^161030687 is an apocalyptic number.

161030687 is a deficient number, since it is larger than the sum of its proper divisors (1).

161030687 is an equidigital number, since it uses as much as digits as its factorization.

161030687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 161030687 is about 12689.7867200359. The cubic root of 161030687 is about 544.0467437036.

The spelling of 161030687 in words is "one hundred sixty-one million, thirty thousand, six hundred eighty-seven".