16649750210 has 32 divisors (see below), whose sum is σ = 30584185200. Its totient is φ = 6524540928.

The previous prime is 16649750203. The next prime is 16649750233. The reversal of 16649750210 is 1205794661.

It can be written as a sum of positive squares in 8 ways, for example, as 2127331129 + 14522419081 = 46123^2 + 120509^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32234 + ... + 185306.

Almost surely, 2^16649750210 is an apocalyptic number.

16649750210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16649750210 is a deficient number, since it is larger than the sum of its proper divisors (13934434990).

16649750210 is a wasteful number, since it uses less digits than its factorization.

16649750210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153302.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 16649750210 in words is "sixteen billion, six hundred forty-nine million, seven hundred fifty thousand, two hundred ten".