9966055 has 8 divisors (see below), whose sum is σ = 13046544. Its totient is φ = 7248000.

The previous prime is 9966037. The next prime is 9966091. The reversal of 9966055 is 5506699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9966055 - 2⁵ = 9966023 is a prime.

It is a Duffinian number.

9966055 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9965999 and 9966017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90546 + ... + 90655.

It is an arithmetic number, because the mean of its divisors is an integer number (1630818).

Almost surely, 2^9966055 is an apocalyptic number.

9966055 is a deficient number, since it is larger than the sum of its proper divisors (3080489).

9966055 is a wasteful number, since it uses less digits than its factorization.

9966055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181217.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 9966055 is about 3156.9059219432. The cubic root of 9966055 is about 215.1994183661.

The spelling of 9966055 in words is "nine million, nine hundred sixty-six thousand, fifty-five".