66313460196 has 81 divisors (see below), whose sum is σ = 169294170409. Its totient is φ = 21886629888.

The previous prime is 66313460173. The next prime is 66313460233. The reversal of 66313460196 is 69106431366.

The square root of 66313460196 is 257514.

It is a perfect power (a square), and thus also a powerful number.

66313460196 is a `hidden beast` number, since 6 + 6 + 3 + 1 + 34 + 601 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65285360100 + 1028100096 = 255510^2 + 32064^2 .

It is a super-3 number, since 3×66313460196³ (a number of 33 digits) contains 333 as substring.

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 26 ways as a sum of consecutive naturals, for example, 258028900 + ... + 258029156.

Almost surely, 2^66313460196 is an apocalyptic number.

66313460196 is the 257514-th square number.

It is an amenable number.

66313460196 is an abundant number, since it is smaller than the sum of its proper divisors (102980710213).

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

66313460196 is a wasteful number, since it uses less digits than its factorization.

66313460196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 66313460196 in words is "sixty-six billion, three hundred thirteen million, four hundred sixty thousand, one hundred ninety-six".