66250526202012 has 96 divisors (see below), whose sum is σ = 164196166385664. Its totient is φ = 20756391897600.

The previous prime is 66250526201989. The next prime is 66250526202017. The reversal of 66250526202012 is 21020262505266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66250526202017) 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 31 ways as a sum of consecutive naturals, for example, 6338103 + ... + 13140494.

It is an arithmetic number, because the mean of its divisors is an integer number (1710376733184).

Almost surely, 2^{66250526202012} is an apocalyptic number.

66250526202012 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

66250526202012 is an abundant number, since it is smaller than the sum of its proper divisors (97945640183652).

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

66250526202012 is a wasteful number, since it uses less digits than its factorization.

66250526202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19478899 (or 19478897 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 66250526202012 its reverse (21020262505266), we get a palindrome (87270788707278).

The spelling of 66250526202012 in words is "sixty-six trillion, two hundred fifty billion, five hundred twenty-six million, two hundred two thousand, twelve".