16247641 has 8 divisors (see below), whose sum is σ = 17205120. Its totient is φ = 15300432.

The previous prime is 16247639. The next prime is 16247657. The reversal of 16247641 is 14674261.

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 16247641 - 2¹ = 16247639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16247041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816 + ... + 5758.

It is an arithmetic number, because the mean of its divisors is an integer number (2150640).

Almost surely, 2^16247641 is an apocalyptic number.

It is an amenable number.

16247641 is a deficient number, since it is larger than the sum of its proper divisors (957479).

16247641 is a wasteful number, since it uses less digits than its factorization.

16247641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5135.

The product of its digits is 8064, while the sum is 31.

The square root of 16247641 is about 4030.8362655906. The cubic root of 16247641 is about 253.2775937310.

The spelling of 16247641 in words is "sixteen million, two hundred forty-seven thousand, six hundred forty-one".