16066661081674 has 8 divisors (see below), whose sum is σ = 27542847568608. Its totient is φ = 6885711892140.

The previous prime is 16066661081663. The next prime is 16066661081701. The reversal of 16066661081674 is 47618016666061.

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

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, 573809324332 + ... + 573809324359.

It is an arithmetic number, because the mean of its divisors is an integer number (3442855946076).

Almost surely, 2^{16066661081674} is an apocalyptic number.

16066661081674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16066661081674 is a deficient number, since it is larger than the sum of its proper divisors (11476186486934).

16066661081674 is a wasteful number, since it uses less digits than its factorization.

16066661081674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147618648700.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 16066661081674 in words is "sixteen trillion, sixty-six billion, six hundred sixty-one million, eighty-one thousand, six hundred seventy-four".