16903198485 has 12 divisors (see below), whose sum is σ = 29298877452. Its totient is φ = 9015039168.

The previous prime is 16903198463. The next prime is 16903198489. The reversal of 16903198485 is 58489130961.

It can be written as a sum of positive squares in 2 ways, for example, as 4801658436 + 12101540049 = 69294^2 + 110007^2 .

It is not a de Polignac number, because 16903198485 - 2⁷ = 16903198357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16903198489) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 187813272 + ... + 187813361.

It is an arithmetic number, because the mean of its divisors is an integer number (2441573121).

Almost surely, 2^16903198485 is an apocalyptic number.

16903198485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16903198485 is a deficient number, since it is larger than the sum of its proper divisors (12395678967).

16903198485 is a wasteful number, since it uses less digits than its factorization.

16903198485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375626644 (or 375626641 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 16903198485 in words is "sixteen billion, nine hundred three million, one hundred ninety-eight thousand, four hundred eighty-five".