16494937 has 4 divisors (see below), whose sum is σ = 16615476. Its totient is φ = 16374400.

The previous prime is 16494923. The next prime is 16494941. The reversal of 16494937 is 73949461.

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 4076361 + 12418576 = 2019^2 + 3524^2 .

It is a cyclic number.

It is not a de Polignac number, because 16494937 - 2⁷ = 16494809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16494893 and 16494902.

It is not an unprimeable number, because it can be changed into a prime (16494917) 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, 60064 + ... + 60337.

It is an arithmetic number, because the mean of its divisors is an integer number (4153869).

Almost surely, 2^16494937 is an apocalyptic number.

It is an amenable number.

16494937 is a deficient number, since it is larger than the sum of its proper divisors (120539).

16494937 is a wasteful number, since it uses less digits than its factorization.

16494937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120538.

The product of its digits is 163296, while the sum is 43.

The square root of 16494937 is about 4061.3959422839. The cubic root of 16494937 is about 254.5561264349.

The spelling of 16494937 in words is "sixteen million, four hundred ninety-four thousand, nine hundred thirty-seven".