66252066100 has 36 divisors (see below), whose sum is σ = 156836711808. Its totient is φ = 24091660000.

The previous prime is 66252066071. The next prime is 66252066109. The reversal of 66252066100 is 166025266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66252066109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30113476 + ... + 30115675.

It is an arithmetic number, because the mean of its divisors is an integer number (4356575328).

Almost surely, 2^66252066100 is an apocalyptic number.

It is an amenable number.

66252066100 is an abundant number, since it is smaller than the sum of its proper divisors (90584645708).

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

66252066100 is a wasteful number, since it uses less digits than its factorization.

66252066100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60229176 (or 60229169 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 66252066100 in words is "sixty-six billion, two hundred fifty-two million, sixty-six thousand, one hundred".