16648901827 has 4 divisors (see below), whose sum is σ = 17223001920. Its totient is φ = 16074801736.

The previous prime is 16648901761. The next prime is 16648901833. The reversal of 16648901827 is 72810984661.

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

It is a cyclic number.

It is not a de Polignac number, because 16648901827 - 2¹¹ = 16648899779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16648901897) 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, 287050003 + ... + 287050060.

It is an arithmetic number, because the mean of its divisors is an integer number (4305750480).

Almost surely, 2^16648901827 is an apocalyptic number.

16648901827 is a deficient number, since it is larger than the sum of its proper divisors (574100093).

16648901827 is an equidigital number, since it uses as much as digits as its factorization.

16648901827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574100092.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 16648901827 in words is "sixteen billion, six hundred forty-eight million, nine hundred one thousand, eight hundred twenty-seven".