10161665687 has 2 divisors, whose sum is σ = 10161665688. Its totient is φ = 10161665686.

The previous prime is 10161665659. The next prime is 10161665693. The reversal of 10161665687 is 78656616101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10161665687 - 2¹⁸ = 10161403543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10161665287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080832843 + 5080832844.

It is an arithmetic number, because the mean of its divisors is an integer number (5080832844).

Almost surely, 2^10161665687 is an apocalyptic number.

10161665687 is a deficient number, since it is larger than the sum of its proper divisors (1).

10161665687 is an equidigital number, since it uses as much as digits as its factorization.

10161665687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 10161665687 in words is "ten billion, one hundred sixty-one million, six hundred sixty-five thousand, six hundred eighty-seven".