66360402088 has 16 divisors (see below), whose sum is σ = 131744916180. Its totient is φ = 31228424448.

The previous prime is 66360402001. The next prime is 66360402091. The reversal of 66360402088 is 88020406366.

66360402088 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 2 ways, for example, as 65803536484 + 556865604 = 256522^2 + 23598^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243971931 + ... + 243972202.

Almost surely, 2^66360402088 is an apocalyptic number.

66360402088 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

66360402088 is a deficient number, since it is larger than the sum of its proper divisors (65384514092).

66360402088 is a wasteful number, since it uses less digits than its factorization.

66360402088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487944156 (or 487944152 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 66360402088 in words is "sixty-six billion, three hundred sixty million, four hundred two thousand, eighty-eight".