66610611060100 has 36 divisors (see below), whose sum is σ = 146374709891200. Its totient is φ = 26306975504160.

The previous prime is 66610611060017. The next prime is 66610611060107. The reversal of 66610611060100 is 106011601666.

It is not an unprimeable number, because it can be changed into a prime (66610611060107) 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, 4215853560 + ... + 4215869359.

Almost surely, 2^{66610611060100} is an apocalyptic number.

It is an amenable number.

66610611060100 is an abundant number, since it is smaller than the sum of its proper divisors (79764098831100).

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

66610611060100 is a wasteful number, since it uses less digits than its factorization.

66610611060100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8431723012 (or 8431723005 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

Adding to 66610611060100 its reverse (106011601666), we get a palindrome (66716622661766).

The spelling of 66610611060100 in words is "sixty-six trillion, six hundred ten billion, six hundred eleven million, sixty thousand, one hundred".