16129620231 has 8 divisors (see below), whose sum is σ = 21507932544. Its totient is φ = 10752194040.

The previous prime is 16129620217. The next prime is 16129620233. The reversal of 16129620231 is 13202692161.

16129620231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16129620231 - 2⁶ = 16129620167 is a prime.

It is a super-2 number, since 2×16129620231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16129620192 and 16129620201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16129620233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177825 + ... + 252746.

It is an arithmetic number, because the mean of its divisors is an integer number (2688491568).

Almost surely, 2^16129620231 is an apocalyptic number.

16129620231 is a deficient number, since it is larger than the sum of its proper divisors (5378312313).

16129620231 is a wasteful number, since it uses less digits than its factorization.

16129620231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443061.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 16129620231 in words is "sixteen billion, one hundred twenty-nine million, six hundred twenty thousand, two hundred thirty-one".