9666598661254 has 8 divisors (see below), whose sum is σ = 15352833167928. Its totient is φ = 4548987605280.

The previous prime is 9666598661059. The next prime is 9666598661297. The reversal of 9666598661254 is 4521668956669.

9666598661254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 142155862632 + ... + 142155862699.

It is an arithmetic number, because the mean of its divisors is an integer number (1919104145991).

Almost surely, 2^{9666598661254} is an apocalyptic number.

9666598661254 is a deficient number, since it is larger than the sum of its proper divisors (5686234506674).

9666598661254 is a wasteful number, since it uses less digits than its factorization.

9666598661254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284311725350.

The product of its digits is 1007769600, while the sum is 73.

The spelling of 9666598661254 in words is "nine trillion, six hundred sixty-six billion, five hundred ninety-eight million, six hundred sixty-one thousand, two hundred fifty-four".