99380641992256 has 63 divisors (see below), whose sum is σ = 202688491046769. Its totient is φ = 48345903813888.

The previous prime is 99380641992197. The next prime is 99380641992263. The reversal of 99380641992256 is 65229914608399.

The square root of 99380641992256 is 9968984.

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., 88927163214400 + 10453478777856 = 9430120^2 + 3233184^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2950802425 + ... + 2950836103.

It is an arithmetic number, because the mean of its divisors is an integer number (3217277635663).

Almost surely, 2^{99380641992256} is an apocalyptic number.

99380641992256 is the 9968984-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99380641992256

99380641992256 is an abundant number, since it is smaller than the sum of its proper divisors (103307849054513).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99380641992256 is an frugal number, since it uses more digits than its factorization.

99380641992256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67444 (or 33718 counting only the distinct ones).

The product of its (nonzero) digits is 453496320, while the sum is 73.

The spelling of 99380641992256 in words is "ninety-nine trillion, three hundred eighty billion, six hundred forty-one million, nine hundred ninety-two thousand, two hundred fifty-six".