1668055710 has 32 divisors (see below), whose sum is σ = 4006560672. Its totient is φ = 444456320.

The previous prime is 1668055681. The next prime is 1668055717. The reversal of 1668055710 is 175508661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1668055717) 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, 16540 + ... + 60080.

It is an arithmetic number, because the mean of its divisors is an integer number (125205021).

Almost surely, 2^1668055710 is an apocalyptic number.

1668055710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1668055710 is an abundant number, since it is smaller than the sum of its proper divisors (2338504962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1668055710 is a wasteful number, since it uses less digits than its factorization.

1668055710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44828.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 1668055710 is about 40841.8377402389. The cubic root of 1668055710 is about 1185.9603886303.

It can be divided in two parts, 16680 and 55710, that added together give a triangular number (72390 = T₃₈₀).

The spelling of 1668055710 in words is "one billion, six hundred sixty-eight million, fifty-five thousand, seven hundred ten".