16752417538 has 8 divisors (see below), whose sum is σ = 25186661388. Its totient is φ = 8356863744.

The previous prime is 16752417529. The next prime is 16752417541. The reversal of 16752417538 is 83571425761.

It can be written as a sum of positive squares in 2 ways, for example, as 11471052609 + 5281364929 = 107103^2 + 72673^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 16752417491 and 16752417500.

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, 9671431 + ... + 9673162.

Almost surely, 2^16752417538 is an apocalyptic number.

16752417538 is a deficient number, since it is larger than the sum of its proper divisors (8434243850).

16752417538 is a wasteful number, since it uses less digits than its factorization.

16752417538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19345028.

The product of its digits is 1411200, while the sum is 49.

The spelling of 16752417538 in words is "sixteen billion, seven hundred fifty-two million, four hundred seventeen thousand, five hundred thirty-eight".