16442667642707 has 4 divisors (see below), whose sum is σ = 16547398010016. Its totient is φ = 16337937275400.

The previous prime is 16442667642683. The next prime is 16442667642767. The reversal of 16442667642707 is 70724676624461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16442667642707 - 2¹⁸ = 16442667380563 is a prime.

It is a super-3 number, since 3×16442667642707³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16442667642707.

It is not an unprimeable number, because it can be changed into a prime (16442667642767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52365183419 + ... + 52365183732.

It is an arithmetic number, because the mean of its divisors is an integer number (4136849502504).

Almost surely, 2^{16442667642707} is an apocalyptic number.

16442667642707 is a deficient number, since it is larger than the sum of its proper divisors (104730367309).

16442667642707 is a wasteful number, since it uses less digits than its factorization.

16442667642707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104730367308.

The product of its (nonzero) digits is 113799168, while the sum is 62.

The spelling of 16442667642707 in words is "sixteen trillion, four hundred forty-two billion, six hundred sixty-seven million, six hundred forty-two thousand, seven hundred seven".