166486460 has 24 divisors (see below), whose sum is σ = 399567840. Its totient is φ = 57081024.

The previous prime is 166486451. The next prime is 166486469. The reversal of 166486460 is 64684661.

It is an interprime number because it is at equal distance from previous prime (166486451) and next prime (166486469).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166486469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594455 + ... + 594734.

It is an arithmetic number, because the mean of its divisors is an integer number (16648660).

Almost surely, 2^166486460 is an apocalyptic number.

166486460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166486460 is an abundant number, since it is smaller than the sum of its proper divisors (233081380).

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

166486460 is a wasteful number, since it uses less digits than its factorization.

166486460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189205 (or 1189203 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 166486460 is about 12902.9632255540. The cubic root of 166486460 is about 550.1227935196.

The spelling of 166486460 in words is "one hundred sixty-six million, four hundred eighty-six thousand, four hundred sixty".