554149224695808 has 384 divisors, whose sum is σ = 1877102167449600. Its totient is φ = 158237528113152.

The previous prime is 554149224695791. The next prime is 554149224695821. The reversal of 554149224695808 is 808596422941455.

554149224695808 is a `hidden beast` number, since 5 + 5 + 4 + 1 + 492 + 2 + 46 + 95 + 8 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 675805041 + ... + 676624527.

It is an arithmetic number, because the mean of its divisors is an integer number (4888286894400).

Almost surely, 2^{554149224695808} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554149224695808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938551083724800).

554149224695808 is an abundant number, since it is smaller than the sum of its proper divisors (1322952942753792).

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

554149224695808 is a wasteful number, since it uses less digits than its factorization.

554149224695808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821272 (or 821246 counting only the distinct ones).

The product of its (nonzero) digits is 995328000, while the sum is 72.

The spelling of 554149224695808 in words is "five hundred fifty-four trillion, one hundred forty-nine billion, two hundred twenty-four million, six hundred ninety-five thousand, eight hundred eight".