166683687002 has 48 divisors (see below), whose sum is σ = 297838804032. Its totient is φ = 69720900480.

The previous prime is 166683686977. The next prime is 166683687011. The reversal of 166683687002 is 200786386661.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5720723 + ... + 5749785.

It is an arithmetic number, because the mean of its divisors is an integer number (6204975084).

Almost surely, 2^166683687002 is an apocalyptic number.

166683687002 is a deficient number, since it is larger than the sum of its proper divisors (131155117030).

166683687002 is a wasteful number, since it uses less digits than its factorization.

166683687002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30483 (or 30476 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 166683687002 in words is "one hundred sixty-six billion, six hundred eighty-three million, six hundred eighty-seven thousand, two".