16907428211 has 4 divisors (see below), whose sum is σ = 16912553424. Its totient is φ = 16902303000.

The previous prime is 16907428199. The next prime is 16907428247. The reversal of 16907428211 is 11282470961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16907428211 is a prime.

It is a super-2 number, since 2×16907428211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16907428261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2557655 + ... + 2564256.

It is an arithmetic number, because the mean of its divisors is an integer number (4228138356).

Almost surely, 2^16907428211 is an apocalyptic number.

16907428211 is a deficient number, since it is larger than the sum of its proper divisors (5125213).

16907428211 is an equidigital number, since it uses as much as digits as its factorization.

16907428211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125212.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 16907428211 in words is "sixteen billion, nine hundred seven million, four hundred twenty-eight thousand, two hundred eleven".