9966390337 has 16 divisors (see below), whose sum is σ = 10746460800. Its totient is φ = 9218385792.

The previous prime is 9966390323. The next prime is 9966390361. The reversal of 9966390337 is 7330936699.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9966390337 - 2⁷ = 9966390209 is a prime.

It is a pancake number, because a pancake can be divided into 9966390337 parts by 141183 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9966390307) 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 15 ways as a sum of consecutive naturals, for example, 102789 + ... + 174637.

It is an arithmetic number, because the mean of its divisors is an integer number (671653800).

Almost surely, 2^9966390337 is an apocalyptic number.

It is an amenable number.

9966390337 is a deficient number, since it is larger than the sum of its proper divisors (780070463).

9966390337 is a wasteful number, since it uses less digits than its factorization.

9966390337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72072.

The product of its (nonzero) digits is 4960116, while the sum is 55.

The square root of 9966390337 is about 99831.8102460333. The cubic root of 9966390337 is about 2152.0183200977.

The spelling of 9966390337 in words is "nine billion, nine hundred sixty-six million, three hundred ninety thousand, three hundred thirty-seven".