66067116215 has 8 divisors (see below), whose sum is σ = 79620800688. Its totient is φ = 52626852160.

The previous prime is 66067116211. The next prime is 66067116223. The reversal of 66067116215 is 51261176066.

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

It is not a de Polignac number, because 66067116215 - 2² = 66067116211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66067116211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28353821 + ... + 28356150.

It is an arithmetic number, because the mean of its divisors is an integer number (9952600086).

Almost surely, 2^66067116215 is an apocalyptic number.

66067116215 is a deficient number, since it is larger than the sum of its proper divisors (13553684473).

66067116215 is a wasteful number, since it uses less digits than its factorization.

66067116215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56710209.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 66067116215 in words is "sixty-six billion, sixty-seven million, one hundred sixteen thousand, two hundred fifteen".