555140066 has 32 divisors (see below), whose sum is σ = 951834240. Its totient is φ = 240558336.

The previous prime is 555140059. The next prime is 555140087. The reversal of 555140066 is 660041555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213965 + ... + 216543.

It is an arithmetic number, because the mean of its divisors is an integer number (29744820).

Almost surely, 2^555140066 is an apocalyptic number.

555140066 is a deficient number, since it is larger than the sum of its proper divisors (396694174).

555140066 is a wasteful number, since it uses less digits than its factorization.

555140066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 555140066 is about 23561.4105265368. The cubic root of 555140066 is about 821.8657032610.

The spelling of 555140066 in words is "five hundred fifty-five million, one hundred forty thousand, sixty-six".