66360354889352 has 8 divisors (see below), whose sum is σ = 124425665417550. Its totient is φ = 33180177444672.

The previous prime is 66360354889333. The next prime is 66360354889399. The reversal of 66360354889352 is 25398845306366.

66360354889352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42195599522596 + 24164755366756 = 6495814^2 + 4915766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4147522180577 + ... + 4147522180592.

Almost surely, 2^{66360354889352} is an apocalyptic number.

It is an amenable number.

66360354889352 is a deficient number, since it is larger than the sum of its proper divisors (58065310528198).

66360354889352 is a wasteful number, since it uses less digits than its factorization.

66360354889352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8295044361175 (or 8295044361171 counting only the distinct ones).

The product of its (nonzero) digits is 671846400, while the sum is 68.

The spelling of 66360354889352 in words is "sixty-six trillion, three hundred sixty billion, three hundred fifty-four million, eight hundred eighty-nine thousand, three hundred fifty-two".