66002277598542 has 32 divisors (see below), whose sum is σ = 146678436840960. Its totient is φ = 21999752872920.

The previous prime is 66002277598541. The next prime is 66002277598667. The reversal of 66002277598542 is 24589577220066.

66002277598542 is a `hidden beast` number, since 6 + 60 + 0 + 2 + 27 + 7 + 5 + 9 + 8 + 542 = 666.

66002277598542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66002277598542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66002277598541) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 26761548 + ... + 29123615.

It is an arithmetic number, because the mean of its divisors is an integer number (4583701151280).

Almost surely, 2^{66002277598542} is an apocalyptic number.

66002277598542 is an abundant number, since it is smaller than the sum of its proper divisors (80676159242418).

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

66002277598542 is a wasteful number, since it uses less digits than its factorization.

66002277598542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55907045 (or 55907039 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 63.

The spelling of 66002277598542 in words is "sixty-six trillion, two billion, two hundred seventy-seven million, five hundred ninety-eight thousand, five hundred forty-two".