66035141043654 has 64 divisors (see below), whose sum is σ = 134919400608000. Its totient is φ = 21540286903680.

The previous prime is 66035141043653. The next prime is 66035141043659. The reversal of 66035141043654 is 45634014153066.

It is a happy number.

66035141043654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66035141043653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471815217 + ... + 471955155.

It is an arithmetic number, because the mean of its divisors is an integer number (2108115634500).

Almost surely, 2^{66035141043654} is an apocalyptic number.

66035141043654 is an abundant number, since it is smaller than the sum of its proper divisors (68884259564346).

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

66035141043654 is a wasteful number, since it uses less digits than its factorization.

66035141043654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146053.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 66035141043654 in words is "sixty-six trillion, thirty-five billion, one hundred forty-one million, forty-three thousand, six hundred fifty-four".