66013700402435 has 16 divisors (see below), whose sum is σ = 80569368225216. Its totient is φ = 51916493572608.

The previous prime is 66013700402381. The next prime is 66013700402437. The reversal of 66013700402435 is 53420400731066.

It is a cyclic number.

It is not a de Polignac number, because 66013700402435 - 2⁶ = 66013700402371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66013700402392 and 66013700402401.

It is not an unprimeable number, because it can be changed into a prime (66013700402437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467746754 + ... + 467887863.

It is an arithmetic number, because the mean of its divisors is an integer number (5035585514076).

Almost surely, 2^{66013700402435} is an apocalyptic number.

66013700402435 is a deficient number, since it is larger than the sum of its proper divisors (14555667822781).

66013700402435 is a wasteful number, since it uses less digits than its factorization.

66013700402435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935634862.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 66013700402435 in words is "sixty-six trillion, thirteen billion, seven hundred million, four hundred two thousand, four hundred thirty-five".