16542375915 has 32 divisors (see below), whose sum is σ = 29110265856. Its totient is φ = 7970659200.

The previous prime is 16542375907. The next prime is 16542375919. The reversal of 16542375915 is 51957324561.

It is not a de Polignac number, because 16542375915 - 2³ = 16542375907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16542375919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 893311 + ... + 911640.

It is an arithmetic number, because the mean of its divisors is an integer number (909695808).

Almost surely, 2^16542375915 is an apocalyptic number.

16542375915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16542375915 is a deficient number, since it is larger than the sum of its proper divisors (12567889941).

16542375915 is a wasteful number, since it uses less digits than its factorization.

16542375915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805019.

The product of its digits is 1134000, while the sum is 48.

The spelling of 16542375915 in words is "sixteen billion, five hundred forty-two million, three hundred seventy-five thousand, nine hundred fifteen".