16259820196 has 27 divisors (see below), whose sum is σ = 28780120971. Its totient is φ = 8037972504.

The previous prime is 16259820061. The next prime is 16259820197. The reversal of 16259820196 is 69102895261.

The square root of 16259820196 is 127514.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16259820197) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26267575 + ... + 26268193.

Almost surely, 2^16259820196 is an apocalyptic number.

16259820196 is the 127514-th square number.

It is an amenable number.

16259820196 is a deficient number, since it is larger than the sum of its proper divisors (12520300775).

16259820196 is an frugal number, since it uses more digits than its factorization.

16259820196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

Multiplying 16259820196 by its sum of digits (49), we get a square (796731189604 = 892598²).

The spelling of 16259820196 in words is "sixteen billion, two hundred fifty-nine million, eight hundred twenty thousand, one hundred ninety-six".