16029688205 has 18 divisors (see below), whose sum is σ = 19730517534. Its totient is φ = 12501916800.

The previous prime is 16029688187. The next prime is 16029688217. The reversal of 16029688205 is 50288692061.

It can be written as a sum of positive squares in 9 ways, for example, as 12379232644 + 3650455561 = 111262^2 + 60419^2 .

It is not a de Polignac number, because 16029688205 - 2¹² = 16029684109 is a prime.

It is a super-2 number, since 2×16029688205² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16029688205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11606615 + ... + 11607995.

It is an arithmetic number, because the mean of its divisors is an integer number (1096139863).

Almost surely, 2^16029688205 is an apocalyptic number.

It is an amenable number.

16029688205 is a deficient number, since it is larger than the sum of its proper divisors (3700829329).

16029688205 is an frugal number, since it uses more digits than its factorization.

16029688205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 16029688205 in words is "sixteen billion, twenty-nine million, six hundred eighty-eight thousand, two hundred five".