551684060665 has 16 divisors (see below), whose sum is σ = 662914445760. Its totient is φ = 440751937600.

The previous prime is 551684060663. The next prime is 551684060699. The reversal of 551684060665 is 566060486155.

It is not a de Polignac number, because 551684060665 - 2¹ = 551684060663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551684060663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11600706 + ... + 11648164.

It is an arithmetic number, because the mean of its divisors is an integer number (41432152860).

Almost surely, 2^551684060665 is an apocalyptic number.

It is an amenable number.

551684060665 is a deficient number, since it is larger than the sum of its proper divisors (111230385095).

551684060665 is a wasteful number, since it uses less digits than its factorization.

551684060665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50552.

The product of its (nonzero) digits is 5184000, while the sum is 52.

The spelling of 551684060665 in words is "five hundred fifty-one billion, six hundred eighty-four million, sixty thousand, six hundred sixty-five".