506322665451 has 16 divisors (see below), whose sum is σ = 794231632800. Its totient is φ = 317692652544.

The previous prime is 506322665419. The next prime is 506322665473. The reversal of 506322665451 is 154566223605.

506322665451 is a `hidden beast` number, since 5 + 0 + 632 + 2 + 6 + 6 + 5 + 4 + 5 + 1 = 666.

It is not a de Polignac number, because 506322665451 - 2⁵ = 506322665419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 506322665397 and 506322665406.

It is not an unprimeable number, because it can be changed into a prime (506322665351) 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, 551549286 + ... + 551550203.

It is an arithmetic number, because the mean of its divisors is an integer number (49639477050).

Almost surely, 2^506322665451 is an apocalyptic number.

506322665451 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

506322665451 is a deficient number, since it is larger than the sum of its proper divisors (287908967349).

506322665451 is a wasteful number, since it uses less digits than its factorization.

506322665451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103099515 (or 1103099509 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 506322665451 in words is "five hundred six billion, three hundred twenty-two million, six hundred sixty-five thousand, four hundred fifty-one".