99866448265 has 8 divisors (see below), whose sum is σ = 120101972040. Its totient is φ = 79718335872.

The previous prime is 99866448251. The next prime is 99866448281. The reversal of 99866448265 is 56284466899.

It can be written as a sum of positive squares in 4 ways, for example, as 33967964416 + 65898483849 = 184304^2 + 256707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99866448265 - 2¹⁹ = 99865923977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99866448265.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21850330 + ... + 21854899.

It is an arithmetic number, because the mean of its divisors is an integer number (15012746505).

Almost surely, 2^99866448265 is an apocalyptic number.

It is an amenable number.

99866448265 is a deficient number, since it is larger than the sum of its proper divisors (20235523775).

99866448265 is a wasteful number, since it uses less digits than its factorization.

99866448265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43705691.

The product of its digits is 179159040, while the sum is 67.

The spelling of 99866448265 in words is "ninety-nine billion, eight hundred sixty-six million, four hundred forty-eight thousand, two hundred sixty-five".