16380197 has 16 divisors (see below), whose sum is σ = 18071424. Its totient is φ = 14784000.

The previous prime is 16380191. The next prime is 16380253. The reversal of 16380197 is 79108361.

It is a cyclic number.

It is not a de Polignac number, because 16380197 - 2⁴ = 16380181 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 (16380191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49322 + ... + 49652.

It is an arithmetic number, because the mean of its divisors is an integer number (1129464).

Almost surely, 2^16380197 is an apocalyptic number.

16380197 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16380197 is a deficient number, since it is larger than the sum of its proper divisors (1691227).

16380197 is a wasteful number, since it uses less digits than its factorization.

16380197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 16380197 is about 4047.2456065823. The cubic root of 16380197 is about 253.9645154720.

The spelling of 16380197 in words is "sixteen million, three hundred eighty thousand, one hundred ninety-seven".