1196431989984 has 576 divisors, whose sum is σ = 4727837237760. Its totient is φ = 277086044160.

The previous prime is 1196431989953. The next prime is 1196431990031. The reversal of 1196431989984 is 4899891346911.

1196431989984 is a `hidden beast` number, since 1 + 19 + 6 + 431 + 98 + 9 + 98 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 7079332 + ... + 7246364.

It is an arithmetic number, because the mean of its divisors is an integer number (8208050760).

Almost surely, 2^{1196431989984} is an apocalyptic number.

1196431989984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1196431989984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2363918618880).

1196431989984 is an abundant number, since it is smaller than the sum of its proper divisors (3531405247776).

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

1196431989984 is a wasteful number, since it uses less digits than its factorization.

1196431989984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167103 (or 167092 counting only the distinct ones).

The product of its digits is 120932352, while the sum is 72.

The spelling of 1196431989984 in words is "one trillion, one hundred ninety-six billion, four hundred thirty-one million, nine hundred eighty-nine thousand, nine hundred eighty-four".