66263873132 has 6 divisors (see below), whose sum is σ = 115961777988. Its totient is φ = 33131936564.

The previous prime is 66263873129. The next prime is 66263873153. The reversal of 66263873132 is 23137836266.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8282984138 + ... + 8282984145.

It is an arithmetic number, because the mean of its divisors is an integer number (19326962998).

Almost surely, 2^66263873132 is an apocalyptic number.

It is an amenable number.

66263873132 is a deficient number, since it is larger than the sum of its proper divisors (49697904856).

66263873132 is a wasteful number, since it uses less digits than its factorization.

66263873132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16565968287 (or 16565968285 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 47.

The spelling of 66263873132 in words is "sixty-six billion, two hundred sixty-three million, eight hundred seventy-three thousand, one hundred thirty-two".