16148197 has 4 divisors (see below), whose sum is σ = 17390380. Its totient is φ = 14906016.

The previous prime is 16148191. The next prime is 16148203. The reversal of 16148197 is 79184161.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16148191) and next prime (16148203).

It can be written as a sum of positive squares in 2 ways, for example, as 10150596 + 5997601 = 3186^2 + 2449^2 .

It is a cyclic number.

It is not a de Polignac number, because 16148197 - 2²³ = 7759589 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 (16148191) 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, 621072 + ... + 621097.

It is an arithmetic number, because the mean of its divisors is an integer number (4347595).

Almost surely, 2^16148197 is an apocalyptic number.

It is an amenable number.

16148197 is a deficient number, since it is larger than the sum of its proper divisors (1242183).

16148197 is a wasteful number, since it uses less digits than its factorization.

16148197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242182.

The product of its digits is 12096, while the sum is 37.

The square root of 16148197 is about 4018.4819272954. The cubic root of 16148197 is about 252.7598057808.

The spelling of 16148197 in words is "sixteen million, one hundred forty-eight thousand, one hundred ninety-seven".