16538364105 has 8 divisors (see below), whose sum is σ = 26461382592. Its totient is φ = 8820460848.

The previous prime is 16538364097. The next prime is 16538364113. The reversal of 16538364105 is 50146383561.

It is an interprime number because it is at equal distance from previous prime (16538364097) and next prime (16538364113).

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

It is not a de Polignac number, because 16538364105 - 2³ = 16538364097 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551278789 + ... + 551278818.

It is an arithmetic number, because the mean of its divisors is an integer number (3307672824).

Almost surely, 2^16538364105 is an apocalyptic number.

16538364105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16538364105 is a deficient number, since it is larger than the sum of its proper divisors (9923018487).

16538364105 is a wasteful number, since it uses less digits than its factorization.

16538364105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102557615.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 16538364105 in words is "sixteen billion, five hundred thirty-eight million, three hundred sixty-four thousand, one hundred five".