66162201680703 has 8 divisors (see below), whose sum is σ = 88216611215616. Its totient is φ = 44107963299800.

The previous prime is 66162201680657. The next prime is 66162201680711. The reversal of 66162201680703 is 30708610226166.

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 66162201680703 - 2²¹ = 66162199583551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66162201680723) 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, 41883783 + ... + 43434728.

It is an arithmetic number, because the mean of its divisors is an integer number (11027076401952).

Almost surely, 2^{66162201680703} is an apocalyptic number.

66162201680703 is a deficient number, since it is larger than the sum of its proper divisors (22054409534913).

66162201680703 is a wasteful number, since it uses less digits than its factorization.

66162201680703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85577005.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 66162201680703 in words is "sixty-six trillion, one hundred sixty-two billion, two hundred one million, six hundred eighty thousand, seven hundred three".