16668205708 has 48 divisors (see below), whose sum is σ = 37948184064. Its totient is φ = 6211751040.

The previous prime is 16668205693. The next prime is 16668205759. The reversal of 16668205708 is 80750286661.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1169385 + ... + 1183552.

It is an arithmetic number, because the mean of its divisors is an integer number (790587168).

Almost surely, 2^16668205708 is an apocalyptic number.

It is an amenable number.

16668205708 is an abundant number, since it is smaller than the sum of its proper divisors (21279978356).

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

16668205708 is a wasteful number, since it uses less digits than its factorization.

16668205708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352982 (or 2352980 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 16668205708 in words is "sixteen billion, six hundred sixty-eight million, two hundred five thousand, seven hundred eight".