66670400407333 has 4 divisors (see below), whose sum is σ = 66670502732460. Its totient is φ = 66670298082208.

The previous prime is 66670400407313. The next prime is 66670400407349. The reversal of 66670400407333 is 33370400407666.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48555783367204 + 18114617040129 = 6968198^2 + 4256127^2 .

It is a cyclic number.

It is not a de Polignac number, because 66670400407333 - 2¹⁷ = 66670400276261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66670400407313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50178928 + ... + 51490441.

It is an arithmetic number, because the mean of its divisors is an integer number (16667625683115).

Almost surely, 2^{66670400407333} is an apocalyptic number.

It is an amenable number.

66670400407333 is a deficient number, since it is larger than the sum of its proper divisors (102325127).

66670400407333 is a wasteful number, since it uses less digits than its factorization.

66670400407333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102325126.

The product of its (nonzero) digits is 4572288, while the sum is 49.

The spelling of 66670400407333 in words is "sixty-six trillion, six hundred seventy billion, four hundred million, four hundred seven thousand, three hundred thirty-three".