505020666607 has 8 divisors (see below), whose sum is σ = 509683677984. Its totient is φ = 500361055488.

The previous prime is 505020666599. The next prime is 505020666617. The reversal of 505020666607 is 706666020505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505020666607 - 2³ = 505020666599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505020666617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551163 + ... + 1146220.

It is an arithmetic number, because the mean of its divisors is an integer number (63710459748).

Almost surely, 2^505020666607 is an apocalyptic number.

505020666607 is a deficient number, since it is larger than the sum of its proper divisors (4663011377).

505020666607 is a wasteful number, since it uses less digits than its factorization.

505020666607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700129.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 505020666607 in words is "five hundred five billion, twenty million, six hundred sixty-six thousand, six hundred seven".