16490773 has 8 divisors (see below), whose sum is σ = 18003608. Its totient is φ = 15012864.

The previous prime is 16490767. The next prime is 16490797. The reversal of 16490773 is 37709461.

It can be written as a sum of positive squares in 4 ways, for example, as 23409 + 16467364 = 153^2 + 4058^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16490773 - 2⁵ = 16490741 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 (16490723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7740 + ... + 9637.

It is an arithmetic number, because the mean of its divisors is an integer number (2250451).

Almost surely, 2^16490773 is an apocalyptic number.

16490773 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16490773 is a deficient number, since it is larger than the sum of its proper divisors (1512835).

16490773 is a wasteful number, since it uses less digits than its factorization.

16490773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17463.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 16490773 is about 4060.8832783029. The cubic root of 16490773 is about 254.5347044896.

The spelling of 16490773 in words is "sixteen million, four hundred ninety thousand, seven hundred seventy-three".