166189202 has 8 divisors (see below), whose sum is σ = 257325312. Its totient is φ = 80414100.

The previous prime is 166189201. The next prime is 166189217. The reversal of 166189202 is 202981661.

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

It is a super-2 number, since 2×166189202² = 55237701722793608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166189201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340174 + ... + 1340297.

It is an arithmetic number, because the mean of its divisors is an integer number (32165664).

Almost surely, 2^166189202 is an apocalyptic number.

166189202 is a deficient number, since it is larger than the sum of its proper divisors (91136110).

166189202 is a wasteful number, since it uses less digits than its factorization.

166189202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680504.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 166189202 is about 12891.4390973235. The cubic root of 166189202 is about 549.7951876520.

The spelling of 166189202 in words is "one hundred sixty-six million, one hundred eighty-nine thousand, two hundred two".