551612614636 has 24 divisors (see below), whose sum is σ = 975769181856. Its totient is φ = 272826403200.

The previous prime is 551612614621. The next prime is 551612614661. The reversal of 551612614636 is 636416216155.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179136 + ... + 1065511.

It is an arithmetic number, because the mean of its divisors is an integer number (40657049244).

Almost surely, 2^551612614636 is an apocalyptic number.

It is an amenable number.

551612614636 is a deficient number, since it is larger than the sum of its proper divisors (424156567220).

551612614636 is a wasteful number, since it uses less digits than its factorization.

551612614636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245849 (or 1245847 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The spelling of 551612614636 in words is "five hundred fifty-one billion, six hundred twelve million, six hundred fourteen thousand, six hundred thirty-six".