17056643140 has 48 divisors (see below), whose sum is σ = 39343489920. Its totient is φ = 6182542080.

The previous prime is 17056643137. The next prime is 17056643237. The reversal of 17056643140 is 4134665071.

It is a self number, because there is not a number n which added to its sum of digits gives 17056643140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 967041 + ... + 984520.

It is an arithmetic number, because the mean of its divisors is an integer number (819656040).

Almost surely, 2^17056643140 is an apocalyptic number.

17056643140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17056643140 is an abundant number, since it is smaller than the sum of its proper divisors (22286846780).

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

17056643140 is a wasteful number, since it uses less digits than its factorization.

17056643140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951612 (or 1951610 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 17056643140 in words is "seventeen billion, fifty-six million, six hundred forty-three thousand, one hundred forty".