134042635165666 has 64 divisors (see below), whose sum is σ = 222542280576000. Its totient is φ = 60484031873280.

The previous prime is 134042635165657. The next prime is 134042635165871. The reversal of 134042635165666 is 666561536240431.

It is a self number, because there is not a number n which added to its sum of digits gives 134042635165666.

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, 31183465 + ... + 35220643.

It is an arithmetic number, because the mean of its divisors is an integer number (3477223134000).

Almost surely, 2^{134042635165666} is an apocalyptic number.

134042635165666 is a deficient number, since it is larger than the sum of its proper divisors (88499645410334).

134042635165666 is a wasteful number, since it uses less digits than its factorization.

134042635165666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037372 (or 4037338 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 58.

The spelling of 134042635165666 in words is "one hundred thirty-four trillion, forty-two billion, six hundred thirty-five million, one hundred sixty-five thousand, six hundred sixty-six".