16314779505 has 16 divisors (see below), whose sum is σ = 26105292864. Its totient is φ = 8700667200.

The previous prime is 16314779489. The next prime is 16314779513. The reversal of 16314779505 is 50597741361.

It is not a de Polignac number, because 16314779505 - 2⁴ = 16314779489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351930 + ... + 395580.

It is an arithmetic number, because the mean of its divisors is an integer number (1631580804).

Almost surely, 2^16314779505 is an apocalyptic number.

16314779505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16314779505 is a deficient number, since it is larger than the sum of its proper divisors (9790513359).

16314779505 is a wasteful number, since it uses less digits than its factorization.

16314779505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68576.

The product of its (nonzero) digits is 793800, while the sum is 48.

The spelling of 16314779505 in words is "sixteen billion, three hundred fourteen million, seven hundred seventy-nine thousand, five hundred five".