66016135325245 has 8 divisors (see below), whose sum is σ = 90536414160384. Its totient is φ = 45268207080144.

The previous prime is 66016135325219. The next prime is 66016135325311. The reversal of 66016135325245 is 54252353161066.

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 66016135325245 - 2²⁵ = 66016101770813 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 943087647469 + ... + 943087647538.

It is an arithmetic number, because the mean of its divisors is an integer number (11317051770048).

Almost surely, 2^{66016135325245} is an apocalyptic number.

It is an amenable number.

66016135325245 is a deficient number, since it is larger than the sum of its proper divisors (24520278835139).

66016135325245 is a wasteful number, since it uses less digits than its factorization.

66016135325245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886175295019.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 66016135325245 in words is "sixty-six trillion, sixteen billion, one hundred thirty-five million, three hundred twenty-five thousand, two hundred forty-five".