66670340403334 has 64 divisors (see below), whose sum is σ = 110422869258240. Its totient is φ = 30071069907840.

The previous prime is 66670340403313. The next prime is 66670340403343. The reversal of 66670340403334 is 43330404307666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1088802499 + ... + 1088863729.

It is an arithmetic number, because the mean of its divisors is an integer number (1725357332160).

Almost surely, 2^{66670340403334} is an apocalyptic number.

66670340403334 is a deficient number, since it is larger than the sum of its proper divisors (43752528854906).

66670340403334 is a wasteful number, since it uses less digits than its factorization.

66670340403334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77813.

The product of its (nonzero) digits is 7838208, while the sum is 49.

The spelling of 66670340403334 in words is "sixty-six trillion, six hundred seventy billion, three hundred forty million, four hundred three thousand, three hundred thirty-four".