166163214 has 48 divisors (see below), whose sum is σ = 399934800. Its totient is φ = 45835776.

The previous prime is 166163191. The next prime is 166163233. The reversal of 166163214 is 412361661.

It is a super-2 number, since 2×166163214² = 55220427373619592, which contains 22 as substring.

It is a congruent number.

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, 1219 + ... + 18270.

It is an arithmetic number, because the mean of its divisors is an integer number (8331975).

Almost surely, 2^166163214 is an apocalyptic number.

166163214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 166163214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199967400).

166163214 is an abundant number, since it is smaller than the sum of its proper divisors (233771586).

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

166163214 is a wasteful number, since it uses less digits than its factorization.

166163214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19537 (or 19530 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 166163214 is about 12890.4311021781. The cubic root of 166163214 is about 549.7665279036.

The spelling of 166163214 in words is "one hundred sixty-six million, one hundred sixty-three thousand, two hundred fourteen".