1663132604442 has 16 divisors (see below), whose sum is σ = 3326301461280. Its totient is φ = 554371492752.

The previous prime is 1663132604377. The next prime is 1663132604467. The reversal of 1663132604442 is 2444062313661.

It is a junction number, because it is equal to n+sod(n) for n = 1663132604394 and 1663132604403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894817 + ... + 2031492.

It is an arithmetic number, because the mean of its divisors is an integer number (207893841330).

Almost surely, 2^{1663132604442} is an apocalyptic number.

1663132604442 is an abundant number, since it is smaller than the sum of its proper divisors (1663168856838).

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

1663132604442 is a wasteful number, since it uses less digits than its factorization.

1663132604442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021037.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 1663132604442 in words is "one trillion, six hundred sixty-three billion, one hundred thirty-two million, six hundred four thousand, four hundred forty-two".