66486667060042 has 16 divisors (see below), whose sum is σ = 104979285624960. Its totient is φ = 31493583106272.

The previous prime is 66486667060019. The next prime is 66486667060069. The reversal of 66486667060042 is 24006076668466.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9903423 + ... + 15200365.

It is an arithmetic number, because the mean of its divisors is an integer number (6561205351560).

Almost surely, 2^{66486667060042} is an apocalyptic number.

66486667060042 is a deficient number, since it is larger than the sum of its proper divisors (38492618564918).

66486667060042 is a wasteful number, since it uses less digits than its factorization.

66486667060042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5627277.

The product of its (nonzero) digits is 83607552, while the sum is 61.

The spelling of 66486667060042 in words is "sixty-six trillion, four hundred eighty-six billion, six hundred sixty-seven million, sixty thousand, forty-two".