1663119532872 has 192 divisors, whose sum is σ = 5451993630720. Its totient is φ = 465066681408.

The previous prime is 1663119532871. The next prime is 1663119532891. The reversal of 1663119532872 is 2782359113661.

It is a happy number.

1663119532872 is a `hidden beast` number, since 1 + 6 + 6 + 31 + 1 + 9 + 532 + 8 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1663119532871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 660598 + ... + 1939749.

It is an arithmetic number, because the mean of its divisors is an integer number (28395800160).

Almost surely, 2^{1663119532872} is an apocalyptic number.

1663119532872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1663119532872 is an abundant number, since it is smaller than the sum of its proper divisors (3788874097848).

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

1663119532872 is a wasteful number, since it uses less digits than its factorization.

1663119532872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600422 (or 2600406 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 1663119532872 in words is "one trillion, six hundred sixty-three billion, one hundred nineteen million, five hundred thirty-two thousand, eight hundred seventy-two".