1711680538 has 8 divisors (see below), whose sum is σ = 2568777588. Its totient is φ = 855421344.

The previous prime is 1711680521. The next prime is 1711680589. The reversal of 1711680538 is 8350861171.

It can be written as a sum of positive squares in 2 ways, for example, as 1696368969 + 15311569 = 41187^2 + 3913^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1711680538.

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, 204331 + ... + 212542.

Almost surely, 2^1711680538 is an apocalyptic number.

1711680538 is a deficient number, since it is larger than the sum of its proper divisors (857097050).

1711680538 is a wasteful number, since it uses less digits than its factorization.

1711680538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418928.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 1711680538 is about 41372.4611063930. The cubic root of 1711680538 is about 1196.2103917483.

The spelling of 1711680538 in words is "one billion, seven hundred eleven million, six hundred eighty thousand, five hundred thirty-eight".