16040666604061 has 8 divisors (see below), whose sum is σ = 17499092016384. Its totient is φ = 14582271690720.

The previous prime is 16040666603977. The next prime is 16040666604101.

16040666604061 is nontrivially palindromic in base 10.

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 16040666604061 - 2¹¹ = 16040666602013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16040666604161) 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, 6518061 + ... + 8635186.

It is an arithmetic number, because the mean of its divisors is an integer number (2187386502048).

Almost surely, 2^{16040666604061} is an apocalyptic number.

16040666604061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16040666604061 is a deficient number, since it is larger than the sum of its proper divisors (1458425412323).

16040666604061 is a wasteful number, since it uses less digits than its factorization.

16040666604061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15249491.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 16040666604061 in words is "sixteen trillion, forty billion, six hundred sixty-six million, six hundred four thousand, sixty-one".