16038340305 has 32 divisors (see below), whose sum is σ = 27657840000. Its totient is φ = 7889356800.

The previous prime is 16038340267. The next prime is 16038340313. The reversal of 16038340305 is 50304383061.

It is not a de Polignac number, because 16038340305 - 2⁸ = 16038340049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210630 + ... + 276480.

It is an arithmetic number, because the mean of its divisors is an integer number (864307500).

Almost surely, 2^16038340305 is an apocalyptic number.

16038340305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16038340305 is a deficient number, since it is larger than the sum of its proper divisors (11619499695).

16038340305 is a wasteful number, since it uses less digits than its factorization.

16038340305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67121.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 16038340305 in words is "sixteen billion, thirty-eight million, three hundred forty thousand, three hundred five".