66598313082 has 64 divisors (see below), whose sum is σ = 154832240640. Its totient is φ = 18704903616.

The previous prime is 66598313077. The next prime is 66598313099. The reversal of 66598313082 is 28031389566.

It is a happy number.

66598313082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524133 + ... + 638679.

It is an arithmetic number, because the mean of its divisors is an integer number (2419253760).

Almost surely, 2^66598313082 is an apocalyptic number.

66598313082 is an abundant number, since it is smaller than the sum of its proper divisors (88233927558).

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

66598313082 is a wasteful number, since it uses less digits than its factorization.

66598313082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114795.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 66598313082 in words is "sixty-six billion, five hundred ninety-eight million, three hundred thirteen thousand, eighty-two".