1630605126 has 16 divisors (see below), whose sum is σ = 3262030128. Its totient is φ = 543398400.

The previous prime is 1630605073. The next prime is 1630605139. The reversal of 1630605126 is 6215060361.

It is a junction number, because it is equal to n+sod(n) for n = 1630605093 and 1630605102.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6595 + ... + 57486.

It is an arithmetic number, because the mean of its divisors is an integer number (203876883).

Almost surely, 2^1630605126 is an apocalyptic number.

1630605126 is an abundant number, since it is smaller than the sum of its proper divisors (1631425002).

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

1630605126 is a wasteful number, since it uses less digits than its factorization.

1630605126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68327.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1630605126 is about 40380.7519246485. The cubic root of 1630605126 is about 1177.0175390139.

Adding to 1630605126 its reverse (6215060361), we get a palindrome (7845665487).

The spelling of 1630605126 in words is "one billion, six hundred thirty million, six hundred five thousand, one hundred twenty-six".