16540104003 has 8 divisors (see below), whose sum is σ = 22055441088. Its totient is φ = 11025751464.

The previous prime is 16540104001. The next prime is 16540104019. The reversal of 16540104003 is 30040104561.

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

It is not a de Polignac number, because 16540104003 - 2¹ = 16540104001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16540104001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206001 + ... + 274802.

It is an arithmetic number, because the mean of its divisors is an integer number (2756930136).

Almost surely, 2^16540104003 is an apocalyptic number.

16540104003 is a deficient number, since it is larger than the sum of its proper divisors (5515337085).

16540104003 is a wasteful number, since it uses less digits than its factorization.

16540104003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492273.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 16540104003 its reverse (30040104561), we get a palindrome (46580208564).

The spelling of 16540104003 in words is "sixteen billion, five hundred forty million, one hundred four thousand, three".