66673148603760 has 240 divisors, whose sum is σ = 228149671486464. Its totient is φ = 17442951671808.

The previous prime is 66673148603731. The next prime is 66673148603777. The reversal of 66673148603760 is 6730684137666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×66673148603760² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 740907729 + ... + 740997711.

Almost surely, 2^{66673148603760} is an apocalyptic number.

66673148603760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66673148603760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114074835743232).

66673148603760 is an abundant number, since it is smaller than the sum of its proper divisors (161476522882704).

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

66673148603760 is a wasteful number, since it uses less digits than its factorization.

66673148603760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109472 (or 109463 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 63.

The spelling of 66673148603760 in words is "sixty-six trillion, six hundred seventy-three billion, one hundred forty-eight million, six hundred three thousand, seven hundred sixty".