505466651620 has 192 divisors, whose sum is σ = 1347475046400. Its totient is φ = 155277112320.

The previous prime is 505466651603. The next prime is 505466651681. The reversal of 505466651620 is 26156664505.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5398605 + ... + 5491435.

It is an arithmetic number, because the mean of its divisors is an integer number (7018099200).

Almost surely, 2^505466651620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505466651620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673737523200).

505466651620 is an abundant number, since it is smaller than the sum of its proper divisors (842008394780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505466651620 is a wasteful number, since it uses less digits than its factorization.

505466651620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92978 (or 92976 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 505466651620 in words is "five hundred five billion, four hundred sixty-six million, six hundred fifty-one thousand, six hundred twenty".