166949120 has 144 divisors (see below), whose sum is σ = 439541760. Its totient is φ = 60383232.

The previous prime is 166949117. The next prime is 166949141. The reversal of 166949120 is 21949661.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314497 + ... + 1314623.

Almost surely, 2^166949120 is an apocalyptic number.

166949120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166949120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219770880).

166949120 is an abundant number, since it is smaller than the sum of its proper divisors (272592640).

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

166949120 is a wasteful number, since it uses less digits than its factorization.

166949120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 166949120 is about 12920.8792270495. The cubic root of 166949120 is about 550.6319128153.

The spelling of 166949120 in words is "one hundred sixty-six million, nine hundred forty-nine thousand, one hundred twenty".