16115606805 has 8 divisors (see below), whose sum is σ = 25784970912. Its totient is φ = 8594990288.

The previous prime is 16115606783. The next prime is 16115606833. The reversal of 16115606805 is 50860651161.

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

It is a cyclic number.

It is not a de Polignac number, because 16115606805 - 2⁹ = 16115606293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537186879 + ... + 537186908.

It is an arithmetic number, because the mean of its divisors is an integer number (3223121364).

Almost surely, 2^16115606805 is an apocalyptic number.

16115606805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16115606805 is a deficient number, since it is larger than the sum of its proper divisors (9669364107).

16115606805 is a wasteful number, since it uses less digits than its factorization.

16115606805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074373795.

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 16115606805 in words is "sixteen billion, one hundred fifteen million, six hundred six thousand, eight hundred five".