1668425270 has 64 divisors (see below), whose sum is σ = 3184828416. Its totient is φ = 628352640.

The previous prime is 1668425243. The next prime is 1668425273. The reversal of 1668425270 is 725248661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1668425273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4472804 + ... + 4473176.

It is an arithmetic number, because the mean of its divisors is an integer number (49762944).

Almost surely, 2^1668425270 is an apocalyptic number.

1668425270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1668425270 is a deficient number, since it is larger than the sum of its proper divisors (1516403146).

1668425270 is a wasteful number, since it uses less digits than its factorization.

1668425270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 1668425270 is about 40846.3617718886. The cubic root of 1668425270 is about 1186.0479658727.

The spelling of 1668425270 in words is "one billion, six hundred sixty-eight million, four hundred twenty-five thousand, two hundred seventy".