16542045387 has 18 divisors (see below), whose sum is σ = 27795138228. Its totient is φ = 9452597112.

The previous prime is 16542045379. The next prime is 16542045391. The reversal of 16542045387 is 78354024561.

16542045387 is a `hidden beast` number, since 1 + 65 + 4 + 204 + 5 + 387 = 666.

It is not a de Polignac number, because 16542045387 - 2³ = 16542045379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16542045367) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18754713 + ... + 18755594.

It is an arithmetic number, because the mean of its divisors is an integer number (1544174346).

Almost surely, 2^16542045387 is an apocalyptic number.

16542045387 is a deficient number, since it is larger than the sum of its proper divisors (11253092841).

16542045387 is a wasteful number, since it uses less digits than its factorization.

16542045387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37510327 (or 37510317 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 16542045387 in words is "sixteen billion, five hundred forty-two million, forty-five thousand, three hundred eighty-seven".