1630605137 has 16 divisors (see below), whose sum is σ = 2009481600. Its totient is φ = 1291800960.

The previous prime is 1630605073. The next prime is 1630605139. The reversal of 1630605137 is 7315060361.

It is a cyclic number.

It is not a de Polignac number, because 1630605137 - 2⁶ = 1630605073 is a prime.

It is a super-2 number, since 2×1630605137² = 5317746225621577538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1630605139) by changing a digit.

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, 144062 + ... + 154967.

It is an arithmetic number, because the mean of its divisors is an integer number (125592600).

Almost surely, 2^1630605137 is an apocalyptic number.

It is an amenable number.

1630605137 is a deficient number, since it is larger than the sum of its proper divisors (378876463).

1630605137 is a wasteful number, since it uses less digits than its factorization.

1630605137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299096.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 1630605137 is about 40380.7520608520. The cubic root of 1630605137 is about 1177.0175416606.

Adding to 1630605137 its reverse (7315060361), we get a palindrome (8945665498).

The spelling of 1630605137 in words is "one billion, six hundred thirty million, six hundred five thousand, one hundred thirty-seven".