1663420130 has 32 divisors (see below), whose sum is σ = 3029270400. Its totient is φ = 657591552.

The previous prime is 1663420093. The next prime is 1663420139. The reversal of 1663420130 is 310243661.

It is a self number, because there is not a number n which added to its sum of digits gives 1663420130.

It is not an unprimeable number, because it can be changed into a prime (1663420139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636266 + ... + 638874.

It is an arithmetic number, because the mean of its divisors is an integer number (94664700).

Almost surely, 2^1663420130 is an apocalyptic number.

1663420130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1663420130 is a deficient number, since it is larger than the sum of its proper divisors (1365850270).

1663420130 is a wasteful number, since it uses less digits than its factorization.

1663420130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1663420130 is about 40785.0478729644. The cubic root of 1663420130 is about 1184.8607621241.

Adding to 1663420130 its reverse (310243661), we get a palindrome (1973663791).

The spelling of 1663420130 in words is "one billion, six hundred sixty-three million, four hundred twenty thousand, one hundred thirty".