1668168480074 has 16 divisors (see below), whose sum is σ = 2583172746240. Its totient is φ = 807115110480.

The previous prime is 1668168479983. The next prime is 1668168480079. The reversal of 1668168480074 is 4700848618661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1668168479995 and 1668168480022.

It is not an unprimeable number, because it can be changed into a prime (1668168480079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249794 + ... + 1843565.

It is an arithmetic number, because the mean of its divisors is an integer number (161448296640).

Almost surely, 2^{1668168480074} is an apocalyptic number.

1668168480074 is a deficient number, since it is larger than the sum of its proper divisors (915004266166).

1668168480074 is a wasteful number, since it uses less digits than its factorization.

1668168480074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106245.

The product of its (nonzero) digits is 12386304, while the sum is 59.

The spelling of 1668168480074 in words is "one trillion, six hundred sixty-eight billion, one hundred sixty-eight million, four hundred eighty thousand, seventy-four".