16129004 has 12 divisors (see below), whose sum is σ = 28429800. Its totient is φ = 8006208.

The previous prime is 16128989. The next prime is 16129067. The reversal of 16129004 is 40092161.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13949 + ... + 15060.

It is an arithmetic number, because the mean of its divisors is an integer number (2369150).

Almost surely, 2^16129004 is an apocalyptic number.

It is an amenable number.

16129004 is a deficient number, since it is larger than the sum of its proper divisors (12300796).

16129004 is a wasteful number, since it uses less digits than its factorization.

16129004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29152 (or 29150 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 16129004 is about 4016.0931264103. The cubic root of 16129004 is about 252.6596265430.

It can be divided in two parts, 1612900 and 4, that multiplied together give a square (6451600 = 2540²).

The spelling of 16129004 in words is "sixteen million, one hundred twenty-nine thousand, four".