166755960 has 96 divisors (see below), whose sum is σ = 619388640. Its totient is φ = 38115072.

The previous prime is 166755947. The next prime is 166755961. The reversal of 166755960 is 69557661.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166755961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30567 + ... + 35606.

It is an arithmetic number, because the mean of its divisors is an integer number (6451965).

Almost surely, 2^166755960 is an apocalyptic number.

166755960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166755960 is an abundant number, since it is smaller than the sum of its proper divisors (452632680).

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

166755960 is a wasteful number, since it uses less digits than its factorization.

166755960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66197 (or 66190 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 166755960 is about 12913.4023402045. The cubic root of 166755960 is about 550.4194706330.

The spelling of 166755960 in words is "one hundred sixty-six million, seven hundred fifty-five thousand, nine hundred sixty".