16748261 has 4 divisors (see below), whose sum is σ = 16984224. Its totient is φ = 16512300.

The previous prime is 16748257. The next prime is 16748267. The reversal of 16748261 is 16284761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16284761 = 193 ⋅84377.

It is a cyclic number.

It is not a de Polignac number, because 16748261 - 2² = 16748257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16748267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117875 + ... + 118016.

It is an arithmetic number, because the mean of its divisors is an integer number (4246056).

Almost surely, 2^16748261 is an apocalyptic number.

It is an amenable number.

16748261 is a deficient number, since it is larger than the sum of its proper divisors (235963).

16748261 is an equidigital number, since it uses as much as digits as its factorization.

16748261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235962.

The product of its digits is 16128, while the sum is 35.

The square root of 16748261 is about 4092.4639277579. The cubic root of 16748261 is about 255.8526424492.

The spelling of 16748261 in words is "sixteen million, seven hundred forty-eight thousand, two hundred sixty-one".