9966250737 has 24 divisors (see below), whose sum is σ = 14744695680. Its totient is φ = 6484911840.

The previous prime is 9966250703. The next prime is 9966250769. The reversal of 9966250737 is 7370526699.

9966250737 is a `hidden beast` number, since 9 + 9 + 6 + 625 + 0 + 7 + 3 + 7 = 666.

It is not a de Polignac number, because 9966250737 - 2⁶ = 9966250673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9966250787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10089 + ... + 141542.

It is an arithmetic number, because the mean of its divisors is an integer number (614362320).

Almost surely, 2^9966250737 is an apocalyptic number.

It is an amenable number.

9966250737 is a deficient number, since it is larger than the sum of its proper divisors (4778444943).

9966250737 is a wasteful number, since it uses less digits than its factorization.

9966250737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151813 (or 151810 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 54.

The square root of 9966250737 is about 99831.1110676426. Note that the first 3 decimals coincide. The cubic root of 9966250737 is about 2152.0082722218.

The spelling of 9966250737 in words is "nine billion, nine hundred sixty-six million, two hundred fifty thousand, seven hundred thirty-seven".