16684201550077 has 4 divisors (see below), whose sum is σ = 16684222401376. Its totient is φ = 16684180698780.

The previous prime is 16684201550011. The next prime is 16684201550101. The reversal of 16684201550077 is 77005510248661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16684201550077 - 2¹¹ = 16684201548029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16684201550477) 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, 9175449 + ... + 10842382.

It is an arithmetic number, because the mean of its divisors is an integer number (4171055600344).

Almost surely, 2^{16684201550077} is an apocalyptic number.

It is an amenable number.

16684201550077 is a deficient number, since it is larger than the sum of its proper divisors (20851299).

16684201550077 is an equidigital number, since it uses as much as digits as its factorization.

16684201550077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20851298.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 16684201550077 in words is "sixteen trillion, six hundred eighty-four billion, two hundred one million, five hundred fifty thousand, seventy-seven".