166487480 has 16 divisors (see below), whose sum is σ = 374596920. Its totient is φ = 66594976.

The previous prime is 166487473. The next prime is 166487509. The reversal of 166487480 is 84784661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2081054 + ... + 2081133.

Almost surely, 2^166487480 is an apocalyptic number.

166487480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166487480 is an abundant number, since it is smaller than the sum of its proper divisors (208109440).

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

166487480 is a wasteful number, since it uses less digits than its factorization.

166487480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162198 (or 4162194 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 166487480 is about 12903.0027512979. The cubic root of 166487480 is about 550.1239169825.

The spelling of 166487480 in words is "one hundred sixty-six million, four hundred eighty-seven thousand, four hundred eighty".