16835857450 has 12 divisors (see below), whose sum is σ = 31314694950. Its totient is φ = 6734342960.

The previous prime is 16835857439. The next prime is 16835857453. The reversal of 16835857450 is 5475853861.

It can be written as a sum of positive squares in 3 ways, for example, as 6331862329 + 10503995121 = 79573^2 + 102489^2 .

It is not an unprimeable number, because it can be changed into a prime (16835857453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168358525 + ... + 168358624.

Almost surely, 2^16835857450 is an apocalyptic number.

16835857450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16835857450 is a deficient number, since it is larger than the sum of its proper divisors (14478837500).

16835857450 is a wasteful number, since it uses less digits than its factorization.

16835857450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336717161 (or 336717156 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 16835857450 in words is "sixteen billion, eight hundred thirty-five million, eight hundred fifty-seven thousand, four hundred fifty".