3333666666678 has 32 divisors (see below), whose sum is σ = 6963837311232. Its totient is φ = 1061896836000.

The previous prime is 3333666666667. The next prime is 3333666666727. The reversal of 3333666666678 is 8766666663333.

It is a super-2 number, since 2×3333666666678² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11347353 + ... + 11637428.

It is an arithmetic number, because the mean of its divisors is an integer number (217619915976).

Almost surely, 2^{3333666666678} is an apocalyptic number.

3333666666678 is an abundant number, since it is smaller than the sum of its proper divisors (3630170644554).

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

3333666666678 is a wasteful number, since it uses less digits than its factorization.

3333666666678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22985860.

The product of its digits is 1269789696, while the sum is 69.

The spelling of 3333666666678 in words is "three trillion, three hundred thirty-three billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred seventy-eight".