16512266649 has 8 divisors (see below), whose sum is σ = 22611392320. Its totient is φ = 10710659376.

The previous prime is 16512266629. The next prime is 16512266657. The reversal of 16512266649 is 94666221561.

16512266649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16512266649 - 2¹⁶ = 16512201113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16512266598 and 16512266607.

It is not an unprimeable number, because it can be changed into a prime (16512266629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74379469 + ... + 74379690.

It is an arithmetic number, because the mean of its divisors is an integer number (2826424040).

Almost surely, 2^16512266649 is an apocalyptic number.

It is an amenable number.

16512266649 is a deficient number, since it is larger than the sum of its proper divisors (6099125671).

16512266649 is a wasteful number, since it uses less digits than its factorization.

16512266649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148759199.

The product of its digits is 933120, while the sum is 48.

The spelling of 16512266649 in words is "sixteen billion, five hundred twelve million, two hundred sixty-six thousand, six hundred forty-nine".