67666454509482 has 48 divisors (see below), whose sum is σ = 146984992547328. Its totient is φ = 22497923972160.

The previous prime is 67666454509471. The next prime is 67666454509483. The reversal of 67666454509482 is 28490545466676.

It is a happy number.

It is a super-3 number, since 3×67666454509482³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67666454509482.

It is not an unprimeable number, because it can be changed into a prime (67666454509483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25788598 + ... + 28291070.

It is an arithmetic number, because the mean of its divisors is an integer number (3062187344736).

Almost surely, 2^{67666454509482} is an apocalyptic number.

67666454509482 is an abundant number, since it is smaller than the sum of its proper divisors (79318538037846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67666454509482 is a wasteful number, since it uses less digits than its factorization.

67666454509482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506315 (or 2506312 counting only the distinct ones).

The product of its (nonzero) digits is 2090188800, while the sum is 72.

The spelling of 67666454509482 in words is "sixty-seven trillion, six hundred sixty-six billion, four hundred fifty-four million, five hundred nine thousand, four hundred eighty-two".