16887950801 has 4 divisors (see below), whose sum is σ = 16900252212. Its totient is φ = 16875649392.

The previous prime is 16887950797. The next prime is 16887950831. The reversal of 16887950801 is 10805978861.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16275635776 + 612315025 = 127576^2 + 24745^2 .

It is a cyclic number.

It is not a de Polignac number, because 16887950801 - 2² = 16887950797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16887950831) 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, 6148646 + ... + 6151391.

It is an arithmetic number, because the mean of its divisors is an integer number (4225063053).

Almost surely, 2^16887950801 is an apocalyptic number.

It is an amenable number.

16887950801 is a deficient number, since it is larger than the sum of its proper divisors (12301411).

16887950801 is a wasteful number, since it uses less digits than its factorization.

16887950801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12301410.

The product of its (nonzero) digits is 967680, while the sum is 53.

The spelling of 16887950801 in words is "sixteen billion, eight hundred eighty-seven million, nine hundred fifty thousand, eight hundred one".