66035141043655 has 32 divisors (see below), whose sum is σ = 92141876505600. Its totient is φ = 44497783579392.

The previous prime is 66035141043653. The next prime is 66035141043659. The reversal of 66035141043655 is 55634014153066.

It is a cyclic number.

It is not a de Polignac number, because 66035141043655 - 2¹ = 66035141043653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66035141043599 and 66035141043608.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64520115 + ... + 65535604.

It is an arithmetic number, because the mean of its divisors is an integer number (2879433640800).

Almost surely, 2^{66035141043655} is an apocalyptic number.

66035141043655 is a deficient number, since it is larger than the sum of its proper divisors (26106735461945).

66035141043655 is a wasteful number, since it uses less digits than its factorization.

66035141043655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130055983.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 66035141043655 in words is "sixty-six trillion, thirty-five billion, one hundred forty-one million, forty-three thousand, six hundred fifty-five".