16241649 has 16 divisors (see below), whose sum is σ = 22315008. Its totient is φ = 10502352.

The previous prime is 16241639. The next prime is 16241651. The reversal of 16241649 is 94614261.

It is not a de Polignac number, because 16241649 - 2⁴ = 16241633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16241609) 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 15 ways as a sum of consecutive naturals, for example, 17454 + ... + 18360.

It is an arithmetic number, because the mean of its divisors is an integer number (1394688).

Almost surely, 2^16241649 is an apocalyptic number.

It is an amenable number.

16241649 is a deficient number, since it is larger than the sum of its proper divisors (6073359).

16241649 is a wasteful number, since it uses less digits than its factorization.

16241649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084.

The product of its digits is 10368, while the sum is 33.

The square root of 16241649 is about 4030.0929269683. The cubic root of 16241649 is about 253.2464543193.

The spelling of 16241649 in words is "sixteen million, two hundred forty-one thousand, six hundred forty-nine".