916716617619 has 8 divisors (see below), whose sum is σ = 1333405989312. Its totient is φ = 555585828840.

The previous prime is 916716617617. The next prime is 916716617699.

916716617619 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 916716617619 - 2¹ = 916716617617 is a prime.

It is a super-2 number, since 2×916716617619² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (916716617617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13889645689 + ... + 13889645754.

It is an arithmetic number, because the mean of its divisors is an integer number (166675748664).

Almost surely, 2^916716617619 is an apocalyptic number.

916716617619 is a deficient number, since it is larger than the sum of its proper divisors (416689371693).

916716617619 is a wasteful number, since it uses less digits than its factorization.

916716617619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27779291457.

The product of its digits is 5143824, while the sum is 60.

The spelling of 916716617619 in words is "nine hundred sixteen billion, seven hundred sixteen million, six hundred seventeen thousand, six hundred nineteen".