64143224511066 has 24 divisors (see below), whose sum is σ = 139113104978484. Its totient is φ = 21360133523520.

The previous prime is 64143224511031. The next prime is 64143224511073. The reversal of 64143224511066 is 66011542234146.

64143224511066 is a `hidden beast` number, since 6 + 4 + 1 + 432 + 2 + 45 + 110 + 66 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 62860715825625 + 1282508685441 = 7928475^2 + 1132479^2 .

It is a super-2 number, since 2×64143224511066² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1745090571 + ... + 1745127326.

Almost surely, 2^{64143224511066} is an apocalyptic number.

64143224511066 is an abundant number, since it is smaller than the sum of its proper divisors (74969880467418).

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

64143224511066 is a wasteful number, since it uses less digits than its factorization.

64143224511066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490218926 (or 3490218923 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 64143224511066 in words is "sixty-four trillion, one hundred forty-three billion, two hundred twenty-four million, five hundred eleven thousand, sixty-six".