16255402 has 8 divisors (see below), whose sum is σ = 24783012. Its totient is φ = 7994400.

The previous prime is 16255391. The next prime is 16255403. The reversal of 16255402 is 20455261.

16255402 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 2 ways, for example, as 16152361 + 103041 = 4019^2 + 321^2 .

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

It is a super-3 number, since 3×16255402³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16255403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66499 + ... + 66742.

Almost surely, 2^16255402 is an apocalyptic number.

16255402 is a deficient number, since it is larger than the sum of its proper divisors (8527610).

16255402 is a wasteful number, since it uses less digits than its factorization.

16255402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133304.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 16255402 is about 4031.7988541097. The cubic root of 16255402 is about 253.3179149588.

The spelling of 16255402 in words is "sixteen million, two hundred fifty-five thousand, four hundred two".