9955803390416 has 20 divisors (see below), whose sum is σ = 20773166690052. Its totient is φ = 4594986180096.

The previous prime is 9955803390389. The next prime is 9955803390443. The reversal of 9955803390416 is 6140933085599.

It is an interprime number because it is at equal distance from previous prime (9955803390389) and next prime (9955803390443).

It can be written as a sum of positive squares in 2 ways, for example, as 593060170816 + 9362743219600 = 770104^2 + 3059860^2 .

It is a super-2 number, since 2×9955803390416² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23932219481 + ... + 23932219896.

Almost surely, 2^{9955803390416} is an apocalyptic number.

It is an amenable number.

9955803390416 is an abundant number, since it is smaller than the sum of its proper divisors (10817363299636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9955803390416 is a wasteful number, since it uses less digits than its factorization.

9955803390416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47864439398 (or 47864439392 counting only the distinct ones).

The product of its (nonzero) digits is 31492800, while the sum is 62.

The spelling of 9955803390416 in words is "nine trillion, nine hundred fifty-five billion, eight hundred three million, three hundred ninety thousand, four hundred sixteen".