16956414719 has 4 divisors (see below), whose sum is σ = 17171052960. Its totient is φ = 16741776480.

The previous prime is 16956414697. The next prime is 16956414721. The reversal of 16956414719 is 91741465961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91741465961 = 83 ⋅1105318867.

It is a cyclic number.

It is not a de Polignac number, because 16956414719 - 2¹⁶ = 16956349183 is a prime.

It is a super-2 number, since 2×16956414719² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16956414749) 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, 107319002 + ... + 107319159.

It is an arithmetic number, because the mean of its divisors is an integer number (4292763240).

Almost surely, 2^16956414719 is an apocalyptic number.

16956414719 is a deficient number, since it is larger than the sum of its proper divisors (214638241).

16956414719 is an equidigital number, since it uses as much as digits as its factorization.

16956414719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214638240.

The product of its digits is 1632960, while the sum is 53.

The spelling of 16956414719 in words is "sixteen billion, nine hundred fifty-six million, four hundred fourteen thousand, seven hundred nineteen".