66252653338 has 8 divisors (see below), whose sum is σ = 99422824032. Its totient is φ = 33111711996.

The previous prime is 66252653321. The next prime is 66252653353. The reversal of 66252653338 is 83335625266.

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

It is a junction number, because it is equal to n+sod(n) for n = 66252653291 and 66252653300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7301670 + ... + 7310737.

It is an arithmetic number, because the mean of its divisors is an integer number (12427853004).

Almost surely, 2^66252653338 is an apocalyptic number.

66252653338 is a deficient number, since it is larger than the sum of its proper divisors (33170170694).

66252653338 is a wasteful number, since it uses less digits than its factorization.

66252653338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14614676.

The product of its digits is 4665600, while the sum is 49.

The spelling of 66252653338 in words is "sixty-six billion, two hundred fifty-two million, six hundred fifty-three thousand, three hundred thirty-eight".