16348257 has 16 divisors (see below), whose sum is σ = 25056000. Its totient is φ = 10522512.

The previous prime is 16348243. The next prime is 16348259. The reversal of 16348257 is 75284361.

It is not a de Polignac number, because 16348257 - 2²⁰ = 15299681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16348259) 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 15 ways as a sum of consecutive naturals, for example, 9657 + ... + 11222.

It is an arithmetic number, because the mean of its divisors is an integer number (1566000).

Almost surely, 2^16348257 is an apocalyptic number.

It is an amenable number.

16348257 is a deficient number, since it is larger than the sum of its proper divisors (8707743).

16348257 is a wasteful number, since it uses less digits than its factorization.

16348257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20917 (or 20911 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 16348257 is about 4043.2977876976. The cubic root of 16348257 is about 253.7993382833.

The spelling of 16348257 in words is "sixteen million, three hundred forty-eight thousand, two hundred fifty-seven".