1609688341712 has 40 divisors (see below), whose sum is σ = 3405888875232. Its totient is φ = 730903817600.

The previous prime is 1609688341711. The next prime is 1609688341739. The reversal of 1609688341712 is 2171438869061.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609688341711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4662239 + ... + 4995582.

Almost surely, 2^{1609688341712} is an apocalyptic number.

It is an amenable number.

1609688341712 is an abundant number, since it is smaller than the sum of its proper divisors (1796200533520).

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

1609688341712 is a wasteful number, since it uses less digits than its factorization.

1609688341712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9658787 (or 9658781 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 1609688341712 in words is "one trillion, six hundred nine billion, six hundred eighty-eight million, three hundred forty-one thousand, seven hundred twelve".