166350340 has 48 divisors (see below), whose sum is σ = 388362240. Its totient is φ = 59437440.

The previous prime is 166350337. The next prime is 166350341. The reversal of 166350340 is 43053661.

It is a junction number, because it is equal to n+sod(n) for n = 166350299 and 166350308.

It is not an unprimeable number, because it can be changed into a prime (166350341) 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, 2260 + ... + 18379.

It is an arithmetic number, because the mean of its divisors is an integer number (8090880).

Almost surely, 2^166350340 is an apocalyptic number.

166350340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166350340 is an abundant number, since it is smaller than the sum of its proper divisors (222011900).

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

166350340 is a wasteful number, since it uses less digits than its factorization.

166350340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20692 (or 20690 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 166350340 is about 12897.6873896059. The cubic root of 166350340 is about 549.9728251036.

It can be divided in two parts, 1663 and 50340, that added together give a triangular number (52003 = T₃₂₂).

The spelling of 166350340 in words is "one hundred sixty-six million, three hundred fifty thousand, three hundred forty".