1668350164 has 48 divisors (see below), whose sum is σ = 3321964800. Its totient is φ = 727606656.

The previous prime is 1668350161. The next prime is 1668350171. The reversal of 1668350164 is 4610538661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1668350161) 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, 59107 + ... + 82645.

It is an arithmetic number, because the mean of its divisors is an integer number (69207600).

Almost surely, 2^1668350164 is an apocalyptic number.

It is an amenable number.

1668350164 is a deficient number, since it is larger than the sum of its proper divisors (1653614636).

1668350164 is a wasteful number, since it uses less digits than its factorization.

1668350164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23632 (or 23630 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1668350164 is about 40845.4423895739. The cubic root of 1668350164 is about 1186.0301685207.

The spelling of 1668350164 in words is "one billion, six hundred sixty-eight million, three hundred fifty thousand, one hundred sixty-four".