16361197 has 4 divisors (see below), whose sum is σ = 16407900. Its totient is φ = 16314496.

The previous prime is 16361179. The next prime is 16361239. The reversal of 16361197 is 79116361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79116361 = 19 ⋅4164019.

It can be written as a sum of positive squares in 2 ways, for example, as 4726276 + 11634921 = 2174^2 + 3411^2 .

It is a cyclic number.

It is not a de Polignac number, because 16361197 - 2⁷ = 16361069 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 (16361897) 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, 22822 + ... + 23527.

It is an arithmetic number, because the mean of its divisors is an integer number (4101975).

Almost surely, 2^16361197 is an apocalyptic number.

It is an amenable number.

16361197 is a deficient number, since it is larger than the sum of its proper divisors (46703).

16361197 is an equidigital number, since it uses as much as digits as its factorization.

16361197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46702.

The product of its digits is 6804, while the sum is 34.

The square root of 16361197 is about 4044.8976501266. The cubic root of 16361197 is about 253.8662831840.

The spelling of 16361197 in words is "sixteen million, three hundred sixty-one thousand, one hundred ninety-seven".