16650242471 has 2 divisors, whose sum is σ = 16650242472. Its totient is φ = 16650242470.

The previous prime is 16650242467. The next prime is 16650242533. The reversal of 16650242471 is 17424205661.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (17424205661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16650242471 - 2² = 16650242467 is a prime.

It is a super-3 number, since 3×16650242471³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16650242171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8325121235 + 8325121236.

It is an arithmetic number, because the mean of its divisors is an integer number (8325121236).

Almost surely, 2^16650242471 is an apocalyptic number.

16650242471 is a deficient number, since it is larger than the sum of its proper divisors (1).

16650242471 is an equidigital number, since it uses as much as digits as its factorization.

16650242471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 16650242471 in words is "sixteen billion, six hundred fifty million, two hundred forty-two thousand, four hundred seventy-one".