551630317669 has 16 divisors (see below), whose sum is σ = 557515393344. Its totient is φ = 545778979200.

The previous prime is 551630317663. The next prime is 551630317699. The reversal of 551630317669 is 966713036155.

It is a cyclic number.

It is not a de Polignac number, because 551630317669 - 2³ = 551630317661 is a prime.

It is a super-2 number, since 2×551630317669² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551630317661) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 110081374 + ... + 110086384.

It is an arithmetic number, because the mean of its divisors is an integer number (34844712084).

Almost surely, 2^551630317669 is an apocalyptic number.

It is an amenable number.

551630317669 is a deficient number, since it is larger than the sum of its proper divisors (5885075675).

551630317669 is a wasteful number, since it uses less digits than its factorization.

551630317669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8148.

The product of its (nonzero) digits is 3061800, while the sum is 52.

The spelling of 551630317669 in words is "five hundred fifty-one billion, six hundred thirty million, three hundred seventeen thousand, six hundred sixty-nine".