9666298137 has 8 divisors (see below), whose sum is σ = 13236732736. Its totient is φ = 6270031152.

The previous prime is 9666298087. The next prime is 9666298153. The reversal of 9666298137 is 7318926669.

It is a happy number.

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

It is not a de Polignac number, because 9666298137 - 2¹⁸ = 9666035993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9666298637) 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, 43541773 + ... + 43541994.

It is an arithmetic number, because the mean of its divisors is an integer number (1654591592).

Almost surely, 2^9666298137 is an apocalyptic number.

It is an amenable number.

9666298137 is a deficient number, since it is larger than the sum of its proper divisors (3570434599).

9666298137 is a wasteful number, since it uses less digits than its factorization.

9666298137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87083807.

The product of its digits is 5878656, while the sum is 57.

The square root of 9666298137 is about 98317.3338582775. Note that the first 3 decimals coincide. The cubic root of 9666298137 is about 2130.1984383880.

The spelling of 9666298137 in words is "nine billion, six hundred sixty-six million, two hundred ninety-eight thousand, one hundred thirty-seven".