916611101116619 has 4 divisors (see below), whose sum is σ = 916611365074944. Its totient is φ = 916610837158296.

The previous prime is 916611101116573. The next prime is 916611101116673.

916611101116619 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 916611101116619 - 2⁸ = 916611101116363 is a prime.

It is a super-2 number, since 2×916611101116619² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (916611101116819) 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, 126699932 + ... + 133738905.

It is an arithmetic number, because the mean of its divisors is an integer number (229152841268736).

Almost surely, 2^{916611101116619} is an apocalyptic number.

916611101116619 is a deficient number, since it is larger than the sum of its proper divisors (263958325).

916611101116619 is a wasteful number, since it uses less digits than its factorization.

916611101116619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263958324.

The product of its (nonzero) digits is 104976, while the sum is 50.

It can be divided in two parts, 91661110 and 1116619, that added together give a palindrome (92777729).

The spelling of 916611101116619 in words is "nine hundred sixteen trillion, six hundred eleven billion, one hundred one million, one hundred sixteen thousand, six hundred nineteen".