66665022034 has 12 divisors (see below), whose sum is σ = 108281352906. Its totient is φ = 30768471552.

The previous prime is 66665022013. The next prime is 66665022077. The reversal of 66665022034 is 43022056666.

It can be written as a sum of positive squares in 3 ways, for example, as 12610167025 + 54054855009 = 112295^2 + 232497^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98616559 + ... + 98617234.

Almost surely, 2^66665022034 is an apocalyptic number.

66665022034 is a deficient number, since it is larger than the sum of its proper divisors (41616330872).

66665022034 is a wasteful number, since it uses less digits than its factorization.

66665022034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197233821 (or 197233808 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 66665022034 in words is "sixty-six billion, six hundred sixty-five million, twenty-two thousand, thirty-four".