16665151471 has 2 divisors, whose sum is σ = 16665151472. Its totient is φ = 16665151470.

The previous prime is 16665151439. The next prime is 16665151487. The reversal of 16665151471 is 17415156661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16665151471 - 2⁵ = 16665151439 is a prime.

It is a super-3 number, since 3×16665151471³ (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 (16665151411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8332575735 + 8332575736.

It is an arithmetic number, because the mean of its divisors is an integer number (8332575736).

Almost surely, 2^16665151471 is an apocalyptic number.

16665151471 is a deficient number, since it is larger than the sum of its proper divisors (1).

16665151471 is an equidigital number, since it uses as much as digits as its factorization.

16665151471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 43.

The spelling of 16665151471 in words is "sixteen billion, six hundred sixty-five million, one hundred fifty-one thousand, four hundred seventy-one".