1668848870 has 16 divisors (see below), whose sum is σ = 3234999600. Its totient is φ = 616190304.

The previous prime is 1668848861. The next prime is 1668848887. The reversal of 1668848870 is 788488661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6418520 + ... + 6418779.

It is an arithmetic number, because the mean of its divisors is an integer number (202187475).

Almost surely, 2^1668848870 is an apocalyptic number.

1668848870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1668848870 is a deficient number, since it is larger than the sum of its proper divisors (1566150730).

1668848870 is a wasteful number, since it uses less digits than its factorization.

1668848870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12837319.

The product of its (nonzero) digits is 4128768, while the sum is 56.

The square root of 1668848870 is about 40851.5467271436. The cubic root of 1668848870 is about 1186.1483334496.

The spelling of 1668848870 in words is "one billion, six hundred sixty-eight million, eight hundred forty-eight thousand, eight hundred seventy".