16494401 has 8 divisors (see below), whose sum is σ = 20564544. Its totient is φ = 12852720.

The previous prime is 16494397. The next prime is 16494407. The reversal of 16494401 is 10449461.

It is a happy number.

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 16494401 - 2² = 16494397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16494407) 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, 107030 + ... + 107183.

It is an arithmetic number, because the mean of its divisors is an integer number (2570568).

Almost surely, 2^16494401 is an apocalyptic number.

16494401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16494401 is a deficient number, since it is larger than the sum of its proper divisors (4070143).

16494401 is a wasteful number, since it uses less digits than its factorization.

16494401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214231.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 16494401 is about 4061.3299545838. The cubic root of 16494401 is about 254.5533691533.

The spelling of 16494401 in words is "sixteen million, four hundred ninety-four thousand, four hundred one".