166474560 has 168 divisors, whose sum is σ = 615025440. Its totient is φ = 38040576.

The previous prime is 166474549. The next prime is 166474573. The reversal of 166474560 is 65474661.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45271 + ... + 48809.

Almost surely, 2^166474560 is an apocalyptic number.

166474560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166474560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307512720).

166474560 is an abundant number, since it is smaller than the sum of its proper divisors (448550880).

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

166474560 is a wasteful number, since it uses less digits than its factorization.

166474560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573 (or 3556 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 166474560 is about 12902.5020829295. The cubic root of 166474560 is about 550.1096861129.

The spelling of 166474560 in words is "one hundred sixty-six million, four hundred seventy-four thousand, five hundred sixty".