166740460 has 12 divisors (see below), whose sum is σ = 350155008. Its totient is φ = 66696176.

The previous prime is 166740451. The next prime is 166740467. The reversal of 166740460 is 64047661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (166740467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4168492 + ... + 4168531.

It is an arithmetic number, because the mean of its divisors is an integer number (29179584).

Almost surely, 2^166740460 is an apocalyptic number.

166740460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166740460 is an abundant number, since it is smaller than the sum of its proper divisors (183414548).

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

166740460 is a wasteful number, since it uses less digits than its factorization.

166740460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8337032 (or 8337030 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 166740460 is about 12912.8021745863. The cubic root of 166740460 is about 550.4024162378.

It can be divided in two parts, 16 and 6740460, that added together give a palindrome (6740476).

The spelling of 166740460 in words is "one hundred sixty-six million, seven hundred forty thousand, four hundred sixty".