999972000196 has 27 divisors (see below), whose sum is σ = 1894966625223. Its totient is φ = 461513538720.

The previous prime is 999972000193. The next prime is 999972000199. The reversal of 999972000196 is 691000279999.

The square root of 999972000196 is 999986.

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

It is an interprime number because it is at equal distance from previous prime (999972000193) and next prime (999972000199).

It can be written as a sum of positive squares in 4 ways, for example, as 461896936900 + 538075063296 = 679630^2 + 733536^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999972000191) 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, 25980406 + ... + 26018866.

Almost surely, 2^999972000196 is an apocalyptic number.

999972000196 is the 999986-th square number.

It is an amenable number.

999972000196 is a deficient number, since it is larger than the sum of its proper divisors (894994625027).

999972000196 is an frugal number, since it uses more digits than its factorization.

999972000196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76952 (or 38476 counting only the distinct ones).

The product of its (nonzero) digits is 4960116, while the sum is 61.

The spelling of 999972000196 in words is "nine hundred ninety-nine billion, nine hundred seventy-two million, one hundred ninety-six", and thus it is an aban number.