1650808130 has 32 divisors (see below), whose sum is σ = 3028024944. Its totient is φ = 647847936.

The previous prime is 1650808129. The next prime is 1650808157. The reversal of 1650808130 is 318080561.

It can be written as a sum of positive squares in 8 ways, for example, as 103408561 + 1547399569 = 10169^2 + 39337^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135032 + ... + 146748.

Almost surely, 2^1650808130 is an apocalyptic number.

1650808130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1650808130 is a deficient number, since it is larger than the sum of its proper divisors (1377216814).

1650808130 is a wasteful number, since it uses less digits than its factorization.

1650808130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11990.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 1650808130 is about 40630.1381981406. The cubic root of 1650808130 is about 1181.8586360601.

Adding to 1650808130 its reverse (318080561), we get a palindrome (1968888691).

The spelling of 1650808130 in words is "one billion, six hundred fifty million, eight hundred eight thousand, one hundred thirty".