66793524658 has 16 divisors (see below), whose sum is σ = 114670848960. Its totient is φ = 28583880336.

The previous prime is 66793524653. The next prime is 66793524659. The reversal of 66793524658 is 85642539766.

It is a super-2 number, since 2×66793524658² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66793524596 and 66793524605.

It is not an unprimeable number, because it can be changed into a prime (66793524653) by changing a digit.

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, 3483093 + ... + 3502216.

It is an arithmetic number, because the mean of its divisors is an integer number (7166928060).

Almost surely, 2^66793524658 is an apocalyptic number.

66793524658 is a deficient number, since it is larger than the sum of its proper divisors (47877324302).

66793524658 is a wasteful number, since it uses less digits than its factorization.

66793524658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6986001.

The product of its digits is 65318400, while the sum is 61.

The spelling of 66793524658 in words is "sixty-six billion, seven hundred ninety-three million, five hundred twenty-four thousand, six hundred fifty-eight".