16961068617 has 4 divisors (see below), whose sum is σ = 22614758160. Its totient is φ = 11307379076.

The previous prime is 16961068577. The next prime is 16961068627. The reversal of 16961068617 is 71686016961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16961068617 - 2⁷ = 16961068489 is a prime.

It is a super-3 number, since 3×16961068617³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16961068617.

It is not an unprimeable number, because it can be changed into a prime (16961068627) 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, 2826844767 + ... + 2826844772.

It is an arithmetic number, because the mean of its divisors is an integer number (5653689540).

Almost surely, 2^16961068617 is an apocalyptic number.

It is an amenable number.

16961068617 is a deficient number, since it is larger than the sum of its proper divisors (5653689543).

16961068617 is an equidigital number, since it uses as much as digits as its factorization.

16961068617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5653689542.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 16961068617 in words is "sixteen billion, nine hundred sixty-one million, sixty-eight thousand, six hundred seventeen".