506072066621 has 8 divisors (see below), whose sum is σ = 557544744288. Its totient is φ = 455510410000.

The previous prime is 506072066597. The next prime is 506072066629. The reversal of 506072066621 is 126660270605.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506072066621 is a prime.

It is a super-2 number, since 2×506072066621² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506072066629) 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, 227754095 + ... + 227756316.

It is an arithmetic number, because the mean of its divisors is an integer number (69693093036).

Almost surely, 2^506072066621 is an apocalyptic number.

It is an amenable number.

506072066621 is a deficient number, since it is larger than the sum of its proper divisors (51472677667).

506072066621 is a wasteful number, since it uses less digits than its factorization.

506072066621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455510523.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 506072066621 in words is "five hundred six billion, seventy-two million, sixty-six thousand, six hundred twenty-one".