16748433 has 24 divisors (see below), whose sum is σ = 26201448. Its totient is φ = 10248192.

The previous prime is 16748429. The next prime is 16748441. The reversal of 16748433 is 33484761.

It can be written as a sum of positive squares in 4 ways, for example, as 1327104 + 15421329 = 1152^2 + 3927^2 .

It is not a de Polignac number, because 16748433 - 2² = 16748429 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16748483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29791 + ... + 30347.

It is an arithmetic number, because the mean of its divisors is an integer number (1091727).

Almost surely, 2^16748433 is an apocalyptic number.

16748433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16748433 is a deficient number, since it is larger than the sum of its proper divisors (9453015).

16748433 is a wasteful number, since it uses less digits than its factorization.

16748433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 830 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 16748433 is about 4092.4849419393. The cubic root of 16748433 is about 255.8535182915.

The spelling of 16748433 in words is "sixteen million, seven hundred forty-eight thousand, four hundred thirty-three".