16197207353 has 4 divisors (see below), whose sum is σ = 16197525540. Its totient is φ = 16196889168.

The previous prime is 16197207349. The next prime is 16197207371. The reversal of 16197207353 is 35370279161.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7396516009 + 8800691344 = 86003^2 + 93812^2 .

It is a cyclic number.

It is not a de Polignac number, because 16197207353 - 2² = 16197207349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16197207553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63650 + ... + 190907.

It is an arithmetic number, because the mean of its divisors is an integer number (4049381385).

Almost surely, 2^16197207353 is an apocalyptic number.

It is an amenable number.

16197207353 is a deficient number, since it is larger than the sum of its proper divisors (318187).

16197207353 is an equidigital number, since it uses as much as digits as its factorization.

16197207353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318186.

The product of its (nonzero) digits is 238140, while the sum is 44.

The spelling of 16197207353 in words is "sixteen billion, one hundred ninety-seven million, two hundred seven thousand, three hundred fifty-three".