16947644069774 has 8 divisors (see below), whose sum is σ = 27732508477848. Its totient is φ = 7703474577160.

The previous prime is 16947644069743. The next prime is 16947644069849. The reversal of 16947644069774 is 47796044674961.

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

It is a super-2 number, since 2×16947644069774² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385173728837 + ... + 385173728880.

It is an arithmetic number, because the mean of its divisors is an integer number (3466563559731).

Almost surely, 2^{16947644069774} is an apocalyptic number.

16947644069774 is a deficient number, since it is larger than the sum of its proper divisors (10784864408074).

16947644069774 is a wasteful number, since it uses less digits than its factorization.

16947644069774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770347457730.

The product of its (nonzero) digits is 1536288768, while the sum is 74.

The spelling of 16947644069774 in words is "sixteen trillion, nine hundred forty-seven billion, six hundred forty-four million, sixty-nine thousand, seven hundred seventy-four".