1668370002 has 16 divisors (see below), whose sum is σ = 3593412480. Its totient is φ = 513344592.

The previous prime is 1668369973. The next prime is 1668370003. The reversal of 1668370002 is 2000738661.

It is not an unprimeable number, because it can be changed into a prime (1668370003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10694602 + ... + 10694757.

It is an arithmetic number, because the mean of its divisors is an integer number (224588280).

Almost surely, 2^1668370002 is an apocalyptic number.

1668370002 is an abundant number, since it is smaller than the sum of its proper divisors (1925042478).

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

1668370002 is a wasteful number, since it uses less digits than its factorization.

1668370002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21389377.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1668370002 is about 40845.6852311233. The cubic root of 1668370002 is about 1186.0348694470.

The spelling of 1668370002 in words is "one billion, six hundred sixty-eight million, three hundred seventy thousand, two".