9666487340276 has 24 divisors (see below), whose sum is σ = 18448213432320. Its totient is φ = 4404981570912.

The previous prime is 9666487340183. The next prime is 9666487340299. The reversal of 9666487340276 is 6720437846669.

9666487340276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9666487340276² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176540116 + ... + 1176548331.

It is an arithmetic number, because the mean of its divisors is an integer number (768675559680).

Almost surely, 2^{9666487340276} is an apocalyptic number.

It is an amenable number.

9666487340276 is a deficient number, since it is larger than the sum of its proper divisors (8781726092044).

9666487340276 is a wasteful number, since it uses less digits than its factorization.

9666487340276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353088543 (or 2353088541 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 68.

The spelling of 9666487340276 in words is "nine trillion, six hundred sixty-six billion, four hundred eighty-seven million, three hundred forty thousand, two hundred seventy-six".