18026667471 has 16 divisors (see below), whose sum is σ = 24141431808. Its totient is φ = 11964933600.

The previous prime is 18026667469. The next prime is 18026667509. The reversal of 18026667471 is 17476662081.

It is not a de Polignac number, because 18026667471 - 2¹ = 18026667469 is a prime.

It is a super-3 number, since 3×18026667471³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 18026667471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18026667271) 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 in 15 ways as a sum of consecutive naturals, for example, 807226 + ... + 829256.

It is an arithmetic number, because the mean of its divisors is an integer number (1508839488).

Almost surely, 2^18026667471 is an apocalyptic number.

18026667471 is a deficient number, since it is larger than the sum of its proper divisors (6114764337).

18026667471 is a wasteful number, since it uses less digits than its factorization.

18026667471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23222.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 18026667471 in words is "eighteen billion, twenty-six million, six hundred sixty-seven thousand, four hundred seventy-one".