66110067060012 has 72 divisors (see below), whose sum is σ = 173016078580800. Its totient is φ = 21259319789568.

The previous prime is 66110067059831. The next prime is 66110067060013. The reversal of 66110067060012 is 21006076001166.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (66110067060013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24745812 + ... + 27286907.

It is an arithmetic number, because the mean of its divisors is an integer number (2403001091400).

Almost surely, 2^{66110067060012} is an apocalyptic number.

It is an amenable number.

66110067060012 is an abundant number, since it is smaller than the sum of its proper divisors (106906011520788).

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

66110067060012 is a wasteful number, since it uses less digits than its factorization.

66110067060012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52033975 (or 52033970 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 66110067060012 in words is "sixty-six trillion, one hundred ten billion, sixty-seven million, sixty thousand, twelve".