166020002 has 8 divisors (see below), whose sum is σ = 249203712. Its totient is φ = 82952100.

The previous prime is 166019989. The next prime is 166020047. The reversal of 166020002 is 200020661.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 25274 + ... + 31157.

It is an arithmetic number, because the mean of its divisors is an integer number (31150464).

Almost surely, 2^166020002 is an apocalyptic number.

166020002 is a deficient number, since it is larger than the sum of its proper divisors (83183710).

166020002 is a wasteful number, since it uses less digits than its factorization.

166020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57904.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 166020002 is about 12884.8749314846. The cubic root of 166020002 is about 549.6085390758.

Adding to 166020002 its reverse (200020661), we get a palindrome (366040663).

The spelling of 166020002 in words is "one hundred sixty-six million, twenty thousand, two".