16764241 has 4 divisors (see below), whose sum is σ = 18053812. Its totient is φ = 15474672.

The previous prime is 16764239. The next prime is 16764259. The reversal of 16764241 is 14246761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6395841 + 10368400 = 2529^2 + 3220^2 .

It is a cyclic number.

It is not a de Polignac number, because 16764241 - 2¹ = 16764239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16764221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644766 + ... + 644791.

It is an arithmetic number, because the mean of its divisors is an integer number (4513453).

Almost surely, 2^16764241 is an apocalyptic number.

It is an amenable number.

16764241 is a deficient number, since it is larger than the sum of its proper divisors (1289571).

16764241 is a wasteful number, since it uses less digits than its factorization.

16764241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289570.

The product of its digits is 8064, while the sum is 31.

The square root of 16764241 is about 4094.4158313488. The cubic root of 16764241 is about 255.9339887173.

The spelling of 16764241 in words is "sixteen million, seven hundred sixty-four thousand, two hundred forty-one".