16540351442 has 8 divisors (see below), whose sum is σ = 24949134000. Its totient is φ = 8223973444.

The previous prime is 16540351411. The next prime is 16540351481. The reversal of 16540351442 is 24415304561.

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

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, 23100692 + ... + 23101407.

It is an arithmetic number, because the mean of its divisors is an integer number (3118641750).

Almost surely, 2^16540351442 is an apocalyptic number.

16540351442 is a deficient number, since it is larger than the sum of its proper divisors (8408782558).

16540351442 is a wasteful number, since it uses less digits than its factorization.

16540351442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46202280.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 16540351442 in words is "sixteen billion, five hundred forty million, three hundred fifty-one thousand, four hundred forty-two".