1609705858496 has 28 divisors (see below), whose sum is σ = 3248400071640. Its totient is φ = 791211352320.

The previous prime is 1609705858471. The next prime is 1609705858499. The reversal of 1609705858496 is 6948585079061.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609705858499) 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, 213145835 + ... + 213153386.

Almost surely, 2^{1609705858496} is an apocalyptic number.

1609705858496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1609705858496 is an abundant number, since it is smaller than the sum of its proper divisors (1638694213144).

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

1609705858496 is an equidigital number, since it uses as much as digits as its factorization.

1609705858496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426299292 (or 426299282 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 68.

The spelling of 1609705858496 in words is "one trillion, six hundred nine billion, seven hundred five million, eight hundred fifty-eight thousand, four hundred ninety-six".