66414253435 has 8 divisors (see below), whose sum is σ = 79702255296. Its totient is φ = 53127968640.

The previous prime is 66414253417. The next prime is 66414253439. The reversal of 66414253435 is 53435241466.

It is a happy number.

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

It is not a de Polignac number, because 66414253435 - 2¹³ = 66414245243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66414253391 and 66414253400.

It is not an unprimeable number, because it can be changed into a prime (66414253439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342579 + ... + 500188.

It is an arithmetic number, because the mean of its divisors is an integer number (9962781912).

Almost surely, 2^66414253435 is an apocalyptic number.

66414253435 is a deficient number, since it is larger than the sum of its proper divisors (13288001861).

66414253435 is a wasteful number, since it uses less digits than its factorization.

66414253435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858533.

The product of its digits is 1036800, while the sum is 43.

The spelling of 66414253435 in words is "sixty-six billion, four hundred fourteen million, two hundred fifty-three thousand, four hundred thirty-five".