16109597 has 8 divisors (see below), whose sum is σ = 18860352. Its totient is φ = 13471200.

The previous prime is 16109573. The next prime is 16109627. The reversal of 16109597 is 79590161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16109597 - 2¹² = 16105501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16109597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16109507) 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, 27779 + ... + 28352.

It is an arithmetic number, because the mean of its divisors is an integer number (2357544).

Almost surely, 2^16109597 is an apocalyptic number.

It is an amenable number.

16109597 is a deficient number, since it is larger than the sum of its proper divisors (2750755).

16109597 is an equidigital number, since it uses as much as digits as its factorization.

16109597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56179.

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 16109597 is about 4013.6762450402. The cubic root of 16109597 is about 252.5582494767.

The spelling of 16109597 in words is "sixteen million, one hundred nine thousand, five hundred ninety-seven".