551226465634665 has 16 divisors (see below), whose sum is σ = 896910859339200. Its totient is φ = 289004610230592.

The previous prime is 551226465634657. The next prime is 551226465634729. The reversal of 551226465634665 is 566436564622155.

It is not a de Polignac number, because 551226465634665 - 2³ = 551226465634657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551226465634596 and 551226465634605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311427380830 + ... + 311427382599.

It is an arithmetic number, because the mean of its divisors is an integer number (56056928708700).

Almost surely, 2^{551226465634665} is an apocalyptic number.

It is an amenable number.

551226465634665 is a deficient number, since it is larger than the sum of its proper divisors (345684393704535).

551226465634665 is a wasteful number, since it uses less digits than its factorization.

551226465634665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622854763496.

The product of its digits is 933120000, while the sum is 66.

The spelling of 551226465634665 in words is "five hundred fifty-one trillion, two hundred twenty-six billion, four hundred sixty-five million, six hundred thirty-four thousand, six hundred sixty-five".