551661606514 has 16 divisors (see below), whose sum is σ = 854371005696. Its totient is φ = 266875131600.

The previous prime is 551661606511. The next prime is 551661606527. The reversal of 551661606514 is 415606166155.

It is not an unprimeable number, because it can be changed into a prime (551661606511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676252 + ... + 1249255.

It is an arithmetic number, because the mean of its divisors is an integer number (53398187856).

Almost surely, 2^551661606514 is an apocalyptic number.

551661606514 is a deficient number, since it is larger than the sum of its proper divisors (302709399182).

551661606514 is a wasteful number, since it uses less digits than its factorization.

551661606514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930161.

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 551661606514 in words is "five hundred fifty-one billion, six hundred sixty-one million, six hundred six thousand, five hundred fourteen".