16740061 has 4 divisors (see below), whose sum is σ = 18027772. Its totient is φ = 15452352.

The previous prime is 16740049. The next prime is 16740071. The reversal of 16740061 is 16004761.

It is a happy number.

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 4384836 + 12355225 = 2094^2 + 3515^2 .

It is a cyclic number.

It is not a de Polignac number, because 16740061 - 2⁹ = 16739549 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 (16740041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643836 + ... + 643861.

It is an arithmetic number, because the mean of its divisors is an integer number (4506943).

Almost surely, 2^16740061 is an apocalyptic number.

It is an amenable number.

16740061 is a deficient number, since it is larger than the sum of its proper divisors (1287711).

16740061 is a wasteful number, since it uses less digits than its factorization.

16740061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287710.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 16740061 is about 4091.4619636506. The cubic root of 16740061 is about 255.8108802198.

The spelling of 16740061 in words is "sixteen million, seven hundred forty thousand, sixty-one".