16540274231434 has 8 divisors (see below), whose sum is σ = 24889677838020. Its totient is φ = 8243714952096.

The previous prime is 16540274231431. The next prime is 16540274231471. The reversal of 16540274231434 is 43413247204561.

It can be written as a sum of positive squares in 2 ways, for example, as 9124646614209 + 7415627617225 = 3020703^2 + 2723165^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16540274231431) 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 3 ways as a sum of consecutive naturals, for example, 13211081029 + ... + 13211082280.

Almost surely, 2^{16540274231434} is an apocalyptic number.

16540274231434 is a deficient number, since it is larger than the sum of its proper divisors (8349403606586).

16540274231434 is a wasteful number, since it uses less digits than its factorization.

16540274231434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26422163624.

The product of its (nonzero) digits is 1935360, while the sum is 46.

The spelling of 16540274231434 in words is "sixteen trillion, five hundred forty billion, two hundred seventy-four million, two hundred thirty-one thousand, four hundred thirty-four".