552661654144 has 64 divisors (see below), whose sum is σ = 1128516935040. Its totient is φ = 269447786496.

The previous prime is 552661654121. The next prime is 552661654157. The reversal of 552661654144 is 441456166255.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×552661654144² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3179209 + ... + 3348535.

It is an arithmetic number, because the mean of its divisors is an integer number (17633077110).

Almost surely, 2^552661654144 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 552661654144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564258467520).

552661654144 is an abundant number, since it is smaller than the sum of its proper divisors (575855280896).

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

552661654144 is a wasteful number, since it uses less digits than its factorization.

552661654144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169977 (or 169965 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 49.

The spelling of 552661654144 in words is "five hundred fifty-two billion, six hundred sixty-one million, six hundred fifty-four thousand, one hundred forty-four".