16107197 has 4 divisors (see below), whose sum is σ = 16626816. Its totient is φ = 15587580.

The previous prime is 16107191. The next prime is 16107277. The reversal of 16107197 is 79170161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79170161 = 7 ⋅11310023.

It is a cyclic number.

It is not a de Polignac number, because 16107197 - 2¹⁰ = 16106173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16107191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259763 + ... + 259824.

It is an arithmetic number, because the mean of its divisors is an integer number (4156704).

Almost surely, 2^16107197 is an apocalyptic number.

It is an amenable number.

16107197 is a deficient number, since it is larger than the sum of its proper divisors (519619).

16107197 is an equidigital number, since it uses as much as digits as its factorization.

16107197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519618.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 16107197 is about 4013.3772561273. The cubic root of 16107197 is about 252.5457068517.

The spelling of 16107197 in words is "sixteen million, one hundred seven thousand, one hundred ninety-seven".