466678551985 has 4 divisors (see below), whose sum is σ = 560014262388. Its totient is φ = 373342841584.

The previous prime is 466678551979. The next prime is 466678552001. The reversal of 466678551985 is 589155876664.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91649691169 + 375028860816 = 302737^2 + 612396^2 .

It is a cyclic number.

It is not a de Polignac number, because 466678551985 - 2²¹ = 466676454833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46667855194 + ... + 46667855203.

It is an arithmetic number, because the mean of its divisors is an integer number (140003565597).

Almost surely, 2^466678551985 is an apocalyptic number.

It is an amenable number.

466678551985 is a deficient number, since it is larger than the sum of its proper divisors (93335710403).

466678551985 is an equidigital number, since it uses as much as digits as its factorization.

466678551985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93335710402.

The product of its digits is 435456000, while the sum is 70.

The spelling of 466678551985 in words is "four hundred sixty-six billion, six hundred seventy-eight million, five hundred fifty-one thousand, nine hundred eighty-five".