17142664784 has 20 divisors (see below), whose sum is σ = 37958757984. Its totient is φ = 7346856288.

The previous prime is 17142664757. The next prime is 17142664801. The reversal of 17142664784 is 48746624171.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76529642 + ... + 76529865.

Almost surely, 2^17142664784 is an apocalyptic number.

17142664784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

17142664784 is an abundant number, since it is smaller than the sum of its proper divisors (20816093200).

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

17142664784 is a wasteful number, since it uses less digits than its factorization.

17142664784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153059522 (or 153059516 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The spelling of 17142664784 in words is "seventeen billion, one hundred forty-two million, six hundred sixty-four thousand, seven hundred eighty-four".