16671774011 has 8 divisors (see below), whose sum is σ = 17258625120. Its totient is φ = 16085720448.

The previous prime is 16671773983. The next prime is 16671774073. The reversal of 16671774011 is 11047717661.

It is a happy number.

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 16671774011 - 2²² = 16667579707 is a prime.

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 16671774011.

It is not an unprimeable number, because it can be changed into a prime (16671734011) 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, 156686 + ... + 240611.

It is an arithmetic number, because the mean of its divisors is an integer number (2157328140).

Almost surely, 2^16671774011 is an apocalyptic number.

16671774011 is a deficient number, since it is larger than the sum of its proper divisors (586851109).

16671774011 is a wasteful number, since it uses less digits than its factorization.

16671774011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398773.

The product of its (nonzero) digits is 49392, while the sum is 41.

The spelling of 16671774011 in words is "sixteen billion, six hundred seventy-one million, seven hundred seventy-four thousand, eleven".