16642998241 has 16 divisors (see below), whose sum is σ = 17277511680. Its totient is φ = 16014792960.

The previous prime is 16642998193. The next prime is 16642998269. The reversal of 16642998241 is 14289924661.

It is a cyclic number.

It is not a de Polignac number, because 16642998241 - 2⁹ = 16642997729 is a prime.

It is a Duffinian number.

Its product of digits (1492992) is a multiple of the sum of its prime divisors (3456).

It is not an unprimeable number, because it can be changed into a prime (16642998041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7965925 + ... + 7968013.

It is an arithmetic number, because the mean of its divisors is an integer number (1079844480).

Almost surely, 2^16642998241 is an apocalyptic number.

It is an amenable number.

16642998241 is a deficient number, since it is larger than the sum of its proper divisors (634513439).

16642998241 is a wasteful number, since it uses less digits than its factorization.

16642998241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456.

The product of its digits is 1492992, while the sum is 52.

The spelling of 16642998241 in words is "sixteen billion, six hundred forty-two million, nine hundred ninety-eight thousand, two hundred forty-one".