916755880449 has 16 divisors (see below), whose sum is σ = 1294528435200. Its totient is φ = 575092780800.

The previous prime is 916755880441. The next prime is 916755880451. The reversal of 916755880449 is 944088557619.

It is not a de Polignac number, because 916755880449 - 2³ = 916755880441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 916755880449.

It is not an unprimeable number, because it can be changed into a prime (916755880441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1743777 + ... + 2207774.

It is an arithmetic number, because the mean of its divisors is an integer number (80908027200).

Almost surely, 2^916755880449 is an apocalyptic number.

It is an amenable number.

916755880449 is a deficient number, since it is larger than the sum of its proper divisors (377772554751).

916755880449 is a wasteful number, since it uses less digits than its factorization.

916755880449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956120.

The product of its (nonzero) digits is 87091200, while the sum is 66.

The spelling of 916755880449 in words is "nine hundred sixteen billion, seven hundred fifty-five million, eight hundred eighty thousand, four hundred forty-nine".