13099266216 has 120 divisors (see below), whose sum is σ = 38723456970. Its totient is φ = 4136536512.

The previous prime is 13099266181. The next prime is 13099266217. The reversal of 13099266216 is 61266299031.

13099266216 is a `hidden beast` number, since 13 + 0 + 9 + 9 + 2 + 6 + 621 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11605752900 + 1493513316 = 107730^2 + 38646^2 .

It is not an unprimeable number, because it can be changed into a prime (13099266217) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 205930 + ... + 261926.

Almost surely, 2^13099266216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13099266216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19361728485).

13099266216 is an abundant number, since it is smaller than the sum of its proper divisors (25624190754).

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

13099266216 is a wasteful number, since it uses less digits than its factorization.

13099266216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56053 (or 56021 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 13099266216 in words is "thirteen billion, ninety-nine million, two hundred sixty-six thousand, two hundred sixteen".