166616260 has 24 divisors (see below), whose sum is σ = 350663040. Its totient is φ = 66500064.

The previous prime is 166616237. The next prime is 166616273. The reversal of 166616260 is 62616661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421 + ... + 18259.

It is an arithmetic number, because the mean of its divisors is an integer number (14610960).

Almost surely, 2^166616260 is an apocalyptic number.

166616260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166616260 is an abundant number, since it is smaller than the sum of its proper divisors (184046780).

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

166616260 is a wasteful number, since it uses less digits than its factorization.

166616260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18315 (or 18313 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 166616260 is about 12907.9920979213. The cubic root of 166616260 is about 550.2657228397.

The spelling of 166616260 in words is "one hundred sixty-six million, six hundred sixteen thousand, two hundred sixty".