15628672197 has 16 divisors (see below), whose sum is σ = 23335905280. Its totient is φ = 10337072256.

The previous prime is 15628672193. The next prime is 15628672211. The reversal of 15628672197 is 79127682651.

15628672197 is a `hidden beast` number, since 1 + 5 + 628 + 6 + 7 + 2 + 1 + 9 + 7 = 666.

15628672197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15628672197 - 2² = 15628672193 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 (15628672193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2275468 + ... + 2282325.

It is an arithmetic number, because the mean of its divisors is an integer number (1458494080).

Almost surely, 2^15628672197 is an apocalyptic number.

It is an amenable number.

15628672197 is a deficient number, since it is larger than the sum of its proper divisors (7707233083).

15628672197 is a wasteful number, since it uses less digits than its factorization.

15628672197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557929 (or 4557923 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The spelling of 15628672197 in words is "fifteen billion, six hundred twenty-eight million, six hundred seventy-two thousand, one hundred ninety-seven".