16539541682 has 8 divisors (see below), whose sum is σ = 24811409052. Its totient is φ = 8269072000.

The previous prime is 16539541679. The next prime is 16539541687. The reversal of 16539541682 is 28614593561.

It can be written as a sum of positive squares in 2 ways, for example, as 15936790081 + 602751601 = 126241^2 + 24551^2 .

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 16539541682.

It is not an unprimeable number, because it can be changed into a prime (16539541687) 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, 319319 + ... + 367482.

Almost surely, 2^16539541682 is an apocalyptic number.

16539541682 is a deficient number, since it is larger than the sum of its proper divisors (8271867370).

16539541682 is a wasteful number, since it uses less digits than its factorization.

16539541682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698844.

The product of its digits is 1555200, while the sum is 50.

The spelling of 16539541682 in words is "sixteen billion, five hundred thirty-nine million, five hundred forty-one thousand, six hundred eighty-two".