66466414610432 has 48 divisors (see below), whose sum is σ = 133668585889020. Its totient is φ = 33041107664896.

The previous prime is 66466414610389. The next prime is 66466414610441. The reversal of 66466414610432 is 23401641466466.

It can be written as a sum of positive squares in 2 ways, for example, as 61795698328576 + 4670716281856 = 7861024^2 + 2161184^2 .

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 3 ways as a sum of consecutive naturals, for example, 93444263 + ... + 94152870.

Almost surely, 2^{66466414610432} is an apocalyptic number.

It is an amenable number.

66466414610432 is an abundant number, since it is smaller than the sum of its proper divisors (67202171278588).

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

66466414610432 is a wasteful number, since it uses less digits than its factorization.

66466414610432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187597328 (or 187597308 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 53.

The spelling of 66466414610432 in words is "sixty-six trillion, four hundred sixty-six billion, four hundred fourteen million, six hundred ten thousand, four hundred thirty-two".