16985270250 has 96 divisors (see below), whose sum is σ = 49461192144. Its totient is φ = 4180982400.

The previous prime is 16985270189. The next prime is 16985270251. The reversal of 16985270250 is 5207258961.

16985270250 is a `hidden beast` number, since 16 + 98 + 527 + 0 + 25 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 2198953449 + 14786316801 = 46893^2 + 121599^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16985270196 and 16985270205.

It is not an unprimeable number, because it can be changed into a prime (16985270251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261097 + ... + 319596.

Almost surely, 2^16985270250 is an apocalyptic number.

16985270250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16985270250 is an abundant number, since it is smaller than the sum of its proper divisors (32475921894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16985270250 is a wasteful number, since it uses less digits than its factorization.

16985270250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580729 (or 580716 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 16985270250 in words is "sixteen billion, nine hundred eighty-five million, two hundred seventy thousand, two hundred fifty".