16261004 has 12 divisors (see below), whose sum is σ = 28723464. Its totient is φ = 8054304.

The previous prime is 16261001. The next prime is 16261073. The reversal of 16261004 is 40016261.

It is a happy number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (16261001) by changing a digit.

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, 18569 + ... + 19424.

It is an arithmetic number, because the mean of its divisors is an integer number (2393622).

Almost surely, 2^16261004 is an apocalyptic number.

It is an amenable number.

16261004 is a deficient number, since it is larger than the sum of its proper divisors (12462460).

16261004 is a wasteful number, since it uses less digits than its factorization.

16261004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38104 (or 38102 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 16261004 is about 4032.4935213835. The cubic root of 16261004 is about 253.3470114191.

Adding to 16261004 its reverse (40016261), we get a palindrome (56277265).

The spelling of 16261004 in words is "sixteen million, two hundred sixty-one thousand, four".