554664768 has 112 divisors (see below), whose sum is σ = 1683861504. Its totient is φ = 157847040.

The previous prime is 554664667. The next prime is 554664779. The reversal of 554664768 is 867466455.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 554664768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417321 + ... + 418647.

Almost surely, 2^554664768 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 554664768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841930752).

554664768 is an abundant number, since it is smaller than the sum of its proper divisors (1129196736).

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

554664768 is a wasteful number, since it uses less digits than its factorization.

554664768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660 (or 1650 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 51.

The square root of 554664768 is about 23551.3220011107. The cubic root of 554664768 is about 821.6310821956.

The spelling of 554664768 in words is "five hundred fifty-four million, six hundred sixty-four thousand, seven hundred sixty-eight".