66673333340 has 48 divisors (see below), whose sum is σ = 151139580480. Its totient is φ = 24630144000.

The previous prime is 66673333261. The next prime is 66673333351. The reversal of 66673333340 is 4333337666.

It is a junction number, because it is equal to n+sod(n) for n = 66673333291 and 66673333300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2485661 + ... + 2512340.

It is an arithmetic number, because the mean of its divisors is an integer number (3148741260).

Almost surely, 2^66673333340 is an apocalyptic number.

It is an amenable number.

66673333340 is an abundant number, since it is smaller than the sum of its proper divisors (84466247140).

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

66673333340 is a wasteful number, since it uses less digits than its factorization.

66673333340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998062 (or 4998060 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 44.

The spelling of 66673333340 in words is "sixty-six billion, six hundred seventy-three million, three hundred thirty-three thousand, three hundred forty".