4168665266942 has 32 divisors (see below), whose sum is σ = 7119450733824. Its totient is φ = 1812103216000.

The previous prime is 4168665266897. The next prime is 4168665266947. The reversal of 4168665266942 is 2496625668614.

It is a happy number.

It is a super-2 number, since 2×4168665266942² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4168665266947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1740278 + ... + 3371334.

It is an arithmetic number, because the mean of its divisors is an integer number (222482835432).

Almost surely, 2^{4168665266942} is an apocalyptic number.

4168665266942 is a deficient number, since it is larger than the sum of its proper divisors (2950785466882).

4168665266942 is a wasteful number, since it uses less digits than its factorization.

4168665266942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636144.

The product of its digits is 179159040, while the sum is 65.

The spelling of 4168665266942 in words is "four trillion, one hundred sixty-eight billion, six hundred sixty-five million, two hundred sixty-six thousand, nine hundred forty-two".