16005240429 has 16 divisors (see below), whose sum is σ = 21603672000. Its totient is φ = 10539286016.

The previous prime is 16005240373. The next prime is 16005240443. The reversal of 16005240429 is 92404250061.

It is a cyclic number.

It is not a de Polignac number, because 16005240429 - 2¹⁵ = 16005207661 is a prime.

It is a super-2 number, since 2×16005240429² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16005240429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16005245429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20004 + ... + 180029.

It is an arithmetic number, because the mean of its divisors is an integer number (1350229500).

Almost surely, 2^16005240429 is an apocalyptic number.

It is an amenable number.

16005240429 is a deficient number, since it is larger than the sum of its proper divisors (5598431571).

16005240429 is a wasteful number, since it uses less digits than its factorization.

16005240429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200364.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 16005240429 in words is "sixteen billion, five million, two hundred forty thousand, four hundred twenty-nine".