9966366554 has 8 divisors (see below), whose sum is σ = 15063668928. Its totient is φ = 4945143580.

The previous prime is 9966366517. The next prime is 9966366563. The reversal of 9966366554 is 4556636699.

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

It is a junction number, because it is equal to n+sod(n) for n = 9966366493 and 9966366502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19019522 + ... + 19020045.

It is an arithmetic number, because the mean of its divisors is an integer number (1882958616).

Almost surely, 2^9966366554 is an apocalyptic number.

9966366554 is a deficient number, since it is larger than the sum of its proper divisors (5097302374).

9966366554 is a wasteful number, since it uses less digits than its factorization.

9966366554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38039700.

The product of its digits is 31492800, while the sum is 59.

The square root of 9966366554 is about 99831.6911306224. The cubic root of 9966366554 is about 2152.0166082946.

The spelling of 9966366554 in words is "nine billion, nine hundred sixty-six million, three hundred sixty-six thousand, five hundred fifty-four".