1664163102 has 16 divisors (see below), whose sum is σ = 3803801472. Its totient is φ = 475475160.

The previous prime is 1664163077. The next prime is 1664163103. The reversal of 1664163102 is 2013614661.

It is a self number, because there is not a number n which added to its sum of digits gives 1664163102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1664163103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19811424 + ... + 19811507.

It is an arithmetic number, because the mean of its divisors is an integer number (237737592).

Almost surely, 2^1664163102 is an apocalyptic number.

1664163102 is an abundant number, since it is smaller than the sum of its proper divisors (2139638370).

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

1664163102 is a wasteful number, since it uses less digits than its factorization.

1664163102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39622943.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1664163102 is about 40794.1552431228. The cubic root of 1664163102 is about 1185.0371431680.

Adding to 1664163102 its reverse (2013614661), we get a palindrome (3677777763).

The spelling of 1664163102 in words is "one billion, six hundred sixty-four million, one hundred sixty-three thousand, one hundred two".