1663510242 has 16 divisors (see below), whose sum is σ = 3339673920. Its totient is φ = 552394512.

The previous prime is 1663510241. The next prime is 1663510243. The reversal of 1663510242 is 2420153661.

It is an interprime number because it is at equal distance from previous prime (1663510241) and next prime (1663510243).

It is not an unprimeable number, because it can be changed into a prime (1663510241) 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, 525517 + ... + 528672.

It is an arithmetic number, because the mean of its divisors is an integer number (208729620).

Almost surely, 2^1663510242 is an apocalyptic number.

1663510242 is an abundant number, since it is smaller than the sum of its proper divisors (1676163678).

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

1663510242 is a wasteful number, since it uses less digits than its factorization.

1663510242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054457.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1663510242 is about 40786.1525765792. The cubic root of 1663510242 is about 1184.8821574496.

The spelling of 1663510242 in words is "one billion, six hundred sixty-three million, five hundred ten thousand, two hundred forty-two".