166334620 has 48 divisors (see below), whose sum is σ = 365783040. Its totient is φ = 63415616.

The previous prime is 166334599. The next prime is 166334627. The reversal of 166334620 is 26433661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166334627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192309 + ... + 193171.

It is an arithmetic number, because the mean of its divisors is an integer number (7620480).

Almost surely, 2^166334620 is an apocalyptic number.

166334620 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 166334620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182891520).

166334620 is an abundant number, since it is smaller than the sum of its proper divisors (199448420).

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

166334620 is a wasteful number, since it uses less digits than its factorization.

166334620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 166334620 is about 12897.0779636319. The cubic root of 166334620 is about 549.9555005320.

The spelling of 166334620 in words is "one hundred sixty-six million, three hundred thirty-four thousand, six hundred twenty".