16129356 has 12 divisors (see below), whose sum is σ = 37635192. Its totient is φ = 5376448.

The previous prime is 16129297. The next prime is 16129363. The reversal of 16129356 is 65392161.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×16129356² = 520312249949472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672045 + ... + 672068.

It is an arithmetic number, because the mean of its divisors is an integer number (3136266).

Almost surely, 2^16129356 is an apocalyptic number.

It is an amenable number.

16129356 is an abundant number, since it is smaller than the sum of its proper divisors (21505836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16129356 is a wasteful number, since it uses less digits than its factorization.

16129356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344120 (or 1344118 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 16129356 is about 4016.1369498562. The cubic root of 16129356 is about 252.6614645474.

The spelling of 16129356 in words is "sixteen million, one hundred twenty-nine thousand, three hundred fifty-six".