961916416871 has 4 divisors (see below), whose sum is σ = 961919019432. Its totient is φ = 961913814312.

The previous prime is 961916416763. The next prime is 961916416873. The reversal of 961916416871 is 178614619169.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178614619169 = 7 ⋅25516374167.

It is a cyclic number.

It is not a de Polignac number, because 961916416871 - 2¹⁰ = 961916415847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 961916416871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961916416873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632201 + ... + 1524306.

It is an arithmetic number, because the mean of its divisors is an integer number (240479754858).

Almost surely, 2^961916416871 is an apocalyptic number.

961916416871 is a deficient number, since it is larger than the sum of its proper divisors (2602561).

961916416871 is a wasteful number, since it uses less digits than its factorization.

961916416871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602560.

The product of its digits is 3919104, while the sum is 59.

The spelling of 961916416871 in words is "nine hundred sixty-one billion, nine hundred sixteen million, four hundred sixteen thousand, eight hundred seventy-one".