16442667642674 has 16 divisors (see below), whose sum is σ = 30355694109888. Its totient is φ = 6504791594832.

The previous prime is 16442667642637. The next prime is 16442667642683. The reversal of 16442667642674 is 47624676624461.

It is a super-3 number, since 3×16442667642674³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 16442667642674.

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, 45172163672 + ... + 45172164035.

It is an arithmetic number, because the mean of its divisors is an integer number (1897230881868).

Almost surely, 2^{16442667642674} is an apocalyptic number.

16442667642674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16442667642674 is a deficient number, since it is larger than the sum of its proper divisors (13913026467214).

16442667642674 is a wasteful number, since it uses less digits than its factorization.

16442667642674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90344327729.

The product of its digits is 390168576, while the sum is 65.

The spelling of 16442667642674 in words is "sixteen trillion, four hundred forty-two billion, six hundred sixty-seven million, six hundred forty-two thousand, six hundred seventy-four".