66670120183680 has 384 divisors, whose sum is σ = 247946631660000. Its totient is φ = 16409973178368.

The previous prime is 66670120183679. The next prime is 66670120183691. The reversal of 66670120183680 is 8638102107666.

It is a tau number, because it is divible by the number of its divisors (384).

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, 1747605246 + ... + 1747643394.

Almost surely, 2^{66670120183680} is an apocalyptic number.

66670120183680 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 66670120183680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123973315830000).

66670120183680 is an abundant number, since it is smaller than the sum of its proper divisors (181276511476320).

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

66670120183680 is a wasteful number, since it uses less digits than its factorization.

66670120183680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61526 (or 61511 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 66670120183680 in words is "sixty-six trillion, six hundred seventy billion, one hundred twenty million, one hundred eighty-three thousand, six hundred eighty".