506005550667 has 14 divisors (see below), whose sum is σ = 758661272532. Its totient is φ = 337337033292.

The previous prime is 506005550629. The next prime is 506005550683. The reversal of 506005550667 is 766055500605.

It is not a de Polignac number, because 506005550667 - 2²² = 506001356363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506005570667) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 347053833 + ... + 347055290.

Almost surely, 2^506005550667 is an apocalyptic number.

506005550667 is a deficient number, since it is larger than the sum of its proper divisors (252655721865).

506005550667 is an frugal number, since it uses more digits than its factorization.

506005550667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694109141 (or 694109126 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 45.

The spelling of 506005550667 in words is "five hundred six billion, five million, five hundred fifty thousand, six hundred sixty-seven".