1636632130 has 16 divisors (see below), whose sum is σ = 3366786240. Its totient is φ = 561130992.

The previous prime is 1636632121. The next prime is 1636632157. The reversal of 1636632130 is 312366361.

It is a junction number, because it is equal to n+sod(n) for n = 1636632092 and 1636632101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11690160 + ... + 11690299.

It is an arithmetic number, because the mean of its divisors is an integer number (210424140).

Almost surely, 2^1636632130 is an apocalyptic number.

1636632130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1636632130 is an abundant number, since it is smaller than the sum of its proper divisors (1730154110).

1636632130 is a wasteful number, since it uses less digits than its factorization.

1636632130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23380473.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 1636632130 is about 40455.3102818406. The cubic root of 1636632130 is about 1178.4659107701.

Adding to 1636632130 its reverse (312366361), we get a palindrome (1948998491).

The spelling of 1636632130 in words is "one billion, six hundred thirty-six million, six hundred thirty-two thousand, one hundred thirty".