1608658768970 has 192 divisors, whose sum is σ = 3426367301280. Its totient is φ = 541420830720.

The previous prime is 1608658768931. The next prime is 1608658769027. The reversal of 1608658768970 is 798678568061.

It can be written as a sum of positive squares in 16 ways, for example, as 848154428209 + 760504340761 = 920953^2 + 872069^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1608658768894 and 1608658768903.

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, 307169192 + ... + 307174428.

Almost surely, 2^{1608658768970} is an apocalyptic number.

1608658768970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1608658768970 is an abundant number, since it is smaller than the sum of its proper divisors (1817708532310).

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

1608658768970 is a wasteful number, since it uses less digits than its factorization.

1608658768970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5529 (or 5518 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 71.

The spelling of 1608658768970 in words is "one trillion, six hundred eight billion, six hundred fifty-eight million, seven hundred sixty-eight thousand, nine hundred seventy".