1668015006 has 32 divisors (see below), whose sum is σ = 3860874240. Its totient is φ = 470542176.

The previous prime is 1668014989. The next prime is 1668015017. The reversal of 1668015006 is 6005108661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248041 + ... + 254676.

It is an arithmetic number, because the mean of its divisors is an integer number (120652320).

Almost surely, 2^1668015006 is an apocalyptic number.

1668015006 is an abundant number, since it is smaller than the sum of its proper divisors (2192859234).

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

1668015006 is a wasteful number, since it uses less digits than its factorization.

1668015006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502808.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1668015006 is about 40841.3394246565. The cubic root of 1668015006 is about 1185.9507419252.

The spelling of 1668015006 in words is "one billion, six hundred sixty-eight million, fifteen thousand, six".