166022286 has 16 divisors (see below), whose sum is σ = 333472464. Its totient is φ = 55102784.

The previous prime is 166022281. The next prime is 166022287. The reversal of 166022286 is 682220661.

166022286 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166022281) 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, 57981 + ... + 60776.

It is an arithmetic number, because the mean of its divisors is an integer number (20842029).

Almost surely, 2^166022286 is an apocalyptic number.

166022286 is an abundant number, since it is smaller than the sum of its proper divisors (167450178).

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

166022286 is a wasteful number, since it uses less digits than its factorization.

166022286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118995.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 166022286 is about 12884.9635622302. The cubic root of 166022286 is about 549.6110594551.

The spelling of 166022286 in words is "one hundred sixty-six million, twenty-two thousand, two hundred eighty-six".