166214982 has 8 divisors (see below), whose sum is σ = 332429976. Its totient is φ = 55404992.

The previous prime is 166214981. The next prime is 166214987. The reversal of 166214982 is 289412661.

166214982 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 sphenic number, since it is the product of 3 distinct primes.

166214982 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 166214982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166214981) 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, 13851243 + ... + 13851254.

It is an arithmetic number, because the mean of its divisors is an integer number (41553747).

Almost surely, 2^166214982 is an apocalyptic number.

166214982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

166214982 is a wasteful number, since it uses less digits than its factorization.

166214982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27702502.

The product of its digits is 41472, while the sum is 39.

The square root of 166214982 is about 12892.4389469177. The cubic root of 166214982 is about 549.8236150648.

The spelling of 166214982 in words is "one hundred sixty-six million, two hundred fourteen thousand, nine hundred eighty-two".