16944261 has 16 divisors (see below), whose sum is σ = 24215424. Its totient is φ = 10511424.

The previous prime is 16944247. The next prime is 16944281. The reversal of 16944261 is 16244961.

It is not a de Polignac number, because 16944261 - 2⁵ = 16944229 is a prime.

It is a super-2 number, since 2×16944261² = 574215961672242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16944211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766 + ... + 5871.

It is an arithmetic number, because the mean of its divisors is an integer number (1513464).

Almost surely, 2^16944261 is an apocalyptic number.

It is an amenable number.

16944261 is a deficient number, since it is larger than the sum of its proper divisors (7271163).

16944261 is a wasteful number, since it uses less digits than its factorization.

16944261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700.

The product of its digits is 10368, while the sum is 33.

The square root of 16944261 is about 4116.3407293372. The cubic root of 16944261 is about 256.8468304604.

It can be divided in two parts, 16944 and 261, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 16944261 in words is "sixteen million, nine hundred forty-four thousand, two hundred sixty-one".