89991600196 has 9 divisors (see below), whose sum is σ = 157486350301. Its totient is φ = 44995500112.

The previous prime is 89991600191. The next prime is 89991600263. The reversal of 89991600196 is 69100619998.

The square root of 89991600196 is 299986.

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

It can be written as a sum of positive squares in only one way, i.e., 32996722500 + 56994877696 = 181650^2 + 238736^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89991600196.

It is not an unprimeable number, because it can be changed into a prime (89991600191) 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 2 ways as a sum of consecutive naturals, for example, 524976 + ... + 674968.

Almost surely, 2^89991600196 is an apocalyptic number.

89991600196 is the 299986-th square number.

It is an amenable number.

89991600196 is a deficient number, since it is larger than the sum of its proper divisors (67494750105).

89991600196 is an frugal number, since it uses more digits than its factorization.

89991600196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299990 (or 149995 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 58.

The spelling of 89991600196 in words is "eighty-nine billion, nine hundred ninety-one million, six hundred thousand, one hundred ninety-six".