555071616 has 320 divisors, whose sum is σ = 1872034560. Its totient is φ = 161740800.

The previous prime is 555071609. The next prime is 555071639. The reversal of 555071616 is 616170555.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3535410 + ... + 3535566.

It is an arithmetic number, because the mean of its divisors is an integer number (5850108).

Almost surely, 2^555071616 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 555071616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936017280).

555071616 is an abundant number, since it is smaller than the sum of its proper divisors (1316962944).

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

555071616 is a wasteful number, since it uses less digits than its factorization.

555071616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 555071616 is about 23559.9578946992. The cubic root of 555071616 is about 821.8319225852.

The spelling of 555071616 in words is "five hundred fifty-five million, seventy-one thousand, six hundred sixteen".