544657401966 has 8 divisors (see below), whose sum is σ = 1089314803944. Its totient is φ = 181552467320.

The previous prime is 544657401949. The next prime is 544657401997. The reversal of 544657401966 is 669104756445.

544657401966 is digitally balanced in base 4, 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.

544657401966 is an admirable number.

It is a Curzon number.

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, 45388116825 + ... + 45388116836.

It is an arithmetic number, because the mean of its divisors is an integer number (136164350493).

Almost surely, 2^544657401966 is an apocalyptic number.

544657401966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

544657401966 is a wasteful number, since it uses less digits than its factorization.

544657401966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90776233666.

The product of its (nonzero) digits is 21772800, while the sum is 57.

The spelling of 544657401966 in words is "five hundred forty-four billion, six hundred fifty-seven million, four hundred one thousand, nine hundred sixty-six".