66435106435 has 8 divisors (see below), whose sum is σ = 79724149200. Its totient is φ = 53146737504.

The previous prime is 66435106417. The next prime is 66435106459. The reversal of 66435106435 is 53460153466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66435106435 - 2⁷ = 66435106307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66435106391 and 66435106400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82416 + ... + 373714.

It is an arithmetic number, because the mean of its divisors is an integer number (9965518650).

Almost surely, 2^66435106435 is an apocalyptic number.

66435106435 is a deficient number, since it is larger than the sum of its proper divisors (13289042765).

66435106435 is a wasteful number, since it uses less digits than its factorization.

66435106435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336917.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 66435106435 in words is "sixty-six billion, four hundred thirty-five million, one hundred six thousand, four hundred thirty-five".