1663422074890 has 16 divisors (see below), whose sum is σ = 3016014917832. Its totient is φ = 660512122624.

The previous prime is 1663422074843. The next prime is 1663422074903. The reversal of 1663422074890 is 984702243661.

It can be written as a sum of positive squares in 4 ways, for example, as 1661415303681 + 2006771209 = 1288959^2 + 44797^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 607086979 + ... + 607089718.

Almost surely, 2^{1663422074890} is an apocalyptic number.

1663422074890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1663422074890 is a deficient number, since it is larger than the sum of its proper divisors (1352592842942).

1663422074890 is a wasteful number, since it uses less digits than its factorization.

1663422074890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214176841.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 1663422074890 in words is "one trillion, six hundred sixty-three billion, four hundred twenty-two million, seventy-four thousand, eight hundred ninety".