16927259705 has 4 divisors (see below), whose sum is σ = 20312711652. Its totient is φ = 13541807760.

The previous prime is 16927259693. The next prime is 16927259707. The reversal of 16927259705 is 50795272961.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10106481961 + 6820777744 = 100531^2 + 82588^2 .

It is not a de Polignac number, because 16927259705 - 2⁶ = 16927259641 is a prime.

It is a super-2 number, since 2×16927259705² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16927259707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692725966 + ... + 1692725975.

It is an arithmetic number, because the mean of its divisors is an integer number (5078177913).

Almost surely, 2^16927259705 is an apocalyptic number.

It is an amenable number.

16927259705 is a deficient number, since it is larger than the sum of its proper divisors (3385451947).

16927259705 is an equidigital number, since it uses as much as digits as its factorization.

16927259705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385451946.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The spelling of 16927259705 in words is "sixteen billion, nine hundred twenty-seven million, two hundred fifty-nine thousand, seven hundred five".