66229962518 has 8 divisors (see below), whose sum is σ = 99844165200. Its totient is φ = 32948574120.

The previous prime is 66229962509. The next prime is 66229962521. The reversal of 66229962518 is 81526992266.

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

It is a congruent number.

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, 83203073 + ... + 83203868.

It is an arithmetic number, because the mean of its divisors is an integer number (12480520650).

Almost surely, 2^66229962518 is an apocalyptic number.

66229962518 is a deficient number, since it is larger than the sum of its proper divisors (33614202682).

66229962518 is a wasteful number, since it uses less digits than its factorization.

66229962518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166407142.

The product of its digits is 5598720, while the sum is 56.

The spelling of 66229962518 in words is "sixty-six billion, two hundred twenty-nine million, nine hundred sixty-two thousand, five hundred eighteen".