16541540275 has 24 divisors (see below), whose sum is σ = 22147766480. Its totient is φ = 12182970240.

The previous prime is 16541540261. The next prime is 16541540291. The reversal of 16541540275 is 57204514561.

It is not a de Polignac number, because 16541540275 - 2¹⁹ = 16541015987 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56029 + ... + 190321.

Almost surely, 2^16541540275 is an apocalyptic number.

16541540275 is a deficient number, since it is larger than the sum of its proper divisors (5606226205).

16541540275 is a wasteful number, since it uses less digits than its factorization.

16541540275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134695 (or 134690 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 16541540275 in words is "sixteen billion, five hundred forty-one million, five hundred forty thousand, two hundred seventy-five".