554444445555066 has 192 divisors, whose sum is σ = 1293452751306240. Its totient is φ = 157096063319040.

The previous prime is 554444445554977. The next prime is 554444445555067. The reversal of 554444445555066 is 660555544444455.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 554444445554988 and 554444445555006.

It is not an unprimeable number, because it can be changed into a prime (554444445555067) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7893873300 + ... + 7893943536.

It is an arithmetic number, because the mean of its divisors is an integer number (6736733079720).

Almost surely, 2^{554444445555066} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554444445555066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646726375653120).

554444445555066 is an abundant number, since it is smaller than the sum of its proper divisors (739008305751174).

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

554444445555066 is a wasteful number, since it uses less digits than its factorization.

554444445555066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72989 (or 72972 counting only the distinct ones).

The product of its (nonzero) digits is 2304000000, while the sum is 66.

The spelling of 554444445555066 in words is "five hundred fifty-four trillion, four hundred forty-four billion, four hundred forty-five million, five hundred fifty-five thousand, sixty-six".