16299411786009 has 243 divisors, whose sum is σ = 28110861293151. Its totient is φ = 9092539716480.

The previous prime is 16299411785963. The next prime is 16299411786041. The reversal of 16299411786009 is 90068711499261.

The square root of 16299411786009 is 4037253.

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

16299411786009 is a `hidden beast` number, since 1 + 6 + 2 + 9 + 9 + 4 + 1 + 17 + 8 + 600 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9574352120025 + 6725059665984 = 3094245^2 + 2593272^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16299411786009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16299411786209) by changing a digit.

It is a polite number, since it can be written in 242 ways as a sum of consecutive naturals, for example, 118973808589 + ... + 118973808725.

Almost surely, 2^{16299411786009} is an apocalyptic number.

16299411786009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16299411786009 is the 4037253-rd square number.

16299411786009 is the 2018627-th centered octagonal number.

It is an amenable number.

16299411786009 is a deficient number, since it is larger than the sum of its proper divisors (11811449507142).

16299411786009 is a wasteful number, since it uses less digits than its factorization.

16299411786009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The spelling of 16299411786009 in words is "sixteen trillion, two hundred ninety-nine billion, four hundred eleven million, seven hundred eighty-six thousand, nine".