166922910 has 384 divisors, whose sum is σ = 598855680. Its totient is φ = 32659200.

The previous prime is 166922887. The next prime is 166922911. The reversal of 166922910 is 19229661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166922911) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4511412 + ... + 4511448.

It is an arithmetic number, because the mean of its divisors is an integer number (1559520).

Almost surely, 2^166922910 is an apocalyptic number.

166922910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 166922910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299427840).

166922910 is an abundant number, since it is smaller than the sum of its proper divisors (431932770).

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

166922910 is a wasteful number, since it uses less digits than its factorization.

166922910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 166922910 is about 12919.8649373745. The cubic root of 166922910 is about 550.6030960162.

The spelling of 166922910 in words is "one hundred sixty-six million, nine hundred twenty-two thousand, nine hundred ten".