15680169 has 8 divisors (see below), whose sum is σ = 23229920. Its totient is φ = 10453428.

The previous prime is 15680167. The next prime is 15680177. The reversal of 15680169 is 96108651.

It is not a de Polignac number, because 15680169 - 2¹ = 15680167 is a prime.

It is a super-2 number, since 2×15680169² = 491735399737122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15680167) 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 in 7 ways as a sum of consecutive naturals, for example, 290347 + ... + 290400.

It is an arithmetic number, because the mean of its divisors is an integer number (2903740).

Almost surely, 2^15680169 is an apocalyptic number.

It is an amenable number.

15680169 is a deficient number, since it is larger than the sum of its proper divisors (7549751).

15680169 is an equidigital number, since it uses as much as digits as its factorization.

15680169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580756 (or 580750 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 15680169 is about 3959.8193140597. The cubic root of 15680169 is about 250.2938890482.

The spelling of 15680169 in words is "fifteen million, six hundred eighty thousand, one hundred sixty-nine".