1608812808492 has 12 divisors (see below), whose sum is σ = 3753896553176. Its totient is φ = 536270936160.

The previous prime is 1608812808433. The next prime is 1608812808497. The reversal of 1608812808492 is 2948082188061.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1608812808497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67033867009 + ... + 67033867032.

Almost surely, 2^{1608812808492} is an apocalyptic number.

1608812808492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1608812808492 is an abundant number, since it is smaller than the sum of its proper divisors (2145083744684).

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

1608812808492 is a wasteful number, since it uses less digits than its factorization.

1608812808492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134067734048 (or 134067734046 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 57.

It can be divided in two parts, 16088 and 12808492, that added together give a triangular number (12824580 = T₅₀₆₄).

The spelling of 1608812808492 in words is "one trillion, six hundred eight billion, eight hundred twelve million, eight hundred eight thousand, four hundred ninety-two".