9966507 has 8 divisors (see below), whose sum is σ = 13988160. Its totient is φ = 6294600.

The previous prime is 9966503. The next prime is 9966511. The reversal of 9966507 is 7056699.

It is an interprime number because it is at equal distance from previous prime (9966503) and next prime (9966511).

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

It is not a de Polignac number, because 9966507 - 2² = 9966503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9966503) by changing a digit.

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, 87369 + ... + 87482.

It is an arithmetic number, because the mean of its divisors is an integer number (1748520).

Almost surely, 2^9966507 is an apocalyptic number.

9966507 is a deficient number, since it is larger than the sum of its proper divisors (4021653).

9966507 is a wasteful number, since it uses less digits than its factorization.

9966507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174873.

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 9966507 is about 3156.9775102145. The cubic root of 9966507 is about 215.2026716984.

It can be divided in two parts, 996 and 6507, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 9966507 in words is "nine million, nine hundred sixty-six thousand, five hundred seven".