9955516 has 24 divisors (see below), whose sum is σ = 18060336. Its totient is φ = 4798080.

The previous prime is 9955511. The next prime is 9955541. The reversal of 9955516 is 6155599.

9955516 = T₇₁₅ + T₇₁₆ + ... + T₇₅₁.

It is a super-2 number, since 2×9955516² = 198224597652512, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9955511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20031 + ... + 20521.

It is an arithmetic number, because the mean of its divisors is an integer number (752514).

Almost surely, 2^9955516 is an apocalyptic number.

It is an amenable number.

9955516 is a deficient number, since it is larger than the sum of its proper divisors (8104820).

9955516 is a wasteful number, since it uses less digits than its factorization.

9955516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 667 counting only the distinct ones).

The product of its digits is 60750, while the sum is 40.

The square root of 9955516 is about 3155.2362827528. The cubic root of 9955516 is about 215.1235345586.

The spelling of 9955516 in words is "nine million, nine hundred fifty-five thousand, five hundred sixteen".