1663625130 has 32 divisors (see below), whose sum is σ = 3999758400. Its totient is φ = 442849152.

The previous prime is 1663625077. The next prime is 1663625149. The reversal of 1663625130 is 315263661.

It is a junction number, because it is equal to n+sod(n) for n = 1663625091 and 1663625100.

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, 31660 + ... + 65799.

It is an arithmetic number, because the mean of its divisors is an integer number (124992450).

Almost surely, 2^1663625130 is an apocalyptic number.

1663625130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1663625130 is an abundant number, since it is smaller than the sum of its proper divisors (2336133270).

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

1663625130 is a wasteful number, since it uses less digits than its factorization.

1663625130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98038.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 1663625130 is about 40787.5609714530. The cubic root of 1663625130 is about 1184.9094342293.

Adding to 1663625130 its reverse (315263661), we get a palindrome (1978888791).

The spelling of 1663625130 in words is "one billion, six hundred sixty-three million, six hundred twenty-five thousand, one hundred thirty".