16860463165 has 24 divisors (see below), whose sum is σ = 25346283480. Its totient is φ = 10672115328.

The previous prime is 16860463159. The next prime is 16860463171. The reversal of 16860463165 is 56136406861.

It is an interprime number because it is at equal distance from previous prime (16860463159) and next prime (16860463171).

It can be written as a sum of positive squares in 4 ways, for example, as 317873241 + 16542589924 = 17829^2 + 128618^2 .

It is not a de Polignac number, because 16860463165 - 2¹⁹ = 16859938877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2643670 + ... + 2650039.

It is an arithmetic number, because the mean of its divisors is an integer number (1056095145).

Almost surely, 2^16860463165 is an apocalyptic number.

It is an amenable number.

16860463165 is a deficient number, since it is larger than the sum of its proper divisors (8485820315).

16860463165 is a wasteful number, since it uses less digits than its factorization.

16860463165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293741 (or 5293734 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 16860463165 in words is "sixteen billion, eight hundred sixty million, four hundred sixty-three thousand, one hundred sixty-five".