16803386025 has 24 divisors (see below), whose sum is σ = 27889729824. Its totient is φ = 8926924800.

The previous prime is 16803386009. The next prime is 16803386101. The reversal of 16803386025 is 52068330861.

It is not a de Polignac number, because 16803386025 - 2⁴ = 16803386009 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416611 + ... + 455160.

It is an arithmetic number, because the mean of its divisors is an integer number (1162072076).

Almost surely, 2^16803386025 is an apocalyptic number.

16803386025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16803386025 is a deficient number, since it is larger than the sum of its proper divisors (11086343799).

16803386025 is a wasteful number, since it uses less digits than its factorization.

16803386025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872041 (or 872036 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 16803386025 in words is "sixteen billion, eight hundred three million, three hundred eighty-six thousand, twenty-five".