1668670170 has 32 divisors (see below), whose sum is σ = 4133998080. Its totient is φ = 430624320.

The previous prime is 1668670147. The next prime is 1668670259. The reversal of 1668670170 is 710768661.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 896205 + ... + 898064.

It is an arithmetic number, because the mean of its divisors is an integer number (129187440).

Almost surely, 2^1668670170 is an apocalyptic number.

1668670170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1668670170 is an abundant number, since it is smaller than the sum of its proper divisors (2465327910).

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

1668670170 is a wasteful number, since it uses less digits than its factorization.

1668670170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794310.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 1668670170 is about 40849.3594809025. The cubic root of 1668670170 is about 1186.1059944304.

The spelling of 1668670170 in words is "one billion, six hundred sixty-eight million, six hundred seventy thousand, one hundred seventy".