16029726181 has 12 divisors (see below), whose sum is σ = 19628237280. Its totient is φ = 13016619000.

The previous prime is 16029726179. The next prime is 16029726211. The reversal of 16029726181 is 18162792061.

It is not a de Polignac number, because 16029726181 - 2¹ = 16029726179 is a prime.

It is a super-2 number, since 2×16029726181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16029726131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8607945 + ... + 8609806.

It is an arithmetic number, because the mean of its divisors is an integer number (1635686440).

Almost surely, 2^16029726181 is an apocalyptic number.

It is an amenable number.

16029726181 is a deficient number, since it is larger than the sum of its proper divisors (3598511099).

16029726181 is a wasteful number, since it uses less digits than its factorization.

16029726181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17217784 (or 17217777 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 16029726181 in words is "sixteen billion, twenty-nine million, seven hundred twenty-six thousand, one hundred eighty-one".