16490507 has 8 divisors (see below), whose sum is σ = 18059760. Its totient is φ = 14932960.

The previous prime is 16490497. The next prime is 16490549. The reversal of 16490507 is 70509461.

It is a happy number.

16490507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16490507 - 2⁶ = 16490443 is a prime.

It is a super-3 number, since 3×16490507³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16490587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173 + ... + 5745.

It is an arithmetic number, because the mean of its divisors is an integer number (2257470).

Almost surely, 2^16490507 is an apocalyptic number.

16490507 is a deficient number, since it is larger than the sum of its proper divisors (1569253).

16490507 is a wasteful number, since it uses less digits than its factorization.

16490507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 16490507 is about 4060.8505266754. The cubic root of 16490507 is about 254.5333359142.

Adding to 16490507 its reverse (70509461), we get a palindrome (86999968).

The spelling of 16490507 in words is "sixteen million, four hundred ninety thousand, five hundred seven".