916409911 has 4 divisors (see below), whose sum is σ = 919301112. Its totient is φ = 913518712.

The previous prime is 916409887. The next prime is 916409917. The reversal of 916409911 is 119904619.

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 916409911 - 2⁷ = 916409783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916409917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445125 + ... + 1445758.

It is an arithmetic number, because the mean of its divisors is an integer number (229825278).

Almost surely, 2^916409911 is an apocalyptic number.

916409911 is a deficient number, since it is larger than the sum of its proper divisors (2891201).

916409911 is a wasteful number, since it uses less digits than its factorization.

916409911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891200.

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 916409911 is about 30272.2630637354. The cubic root of 916409911 is about 971.3220754413.

The spelling of 916409911 in words is "nine hundred sixteen million, four hundred nine thousand, nine hundred eleven".