166652560 has 60 divisors (see below), whose sum is σ = 401450868. Its totient is φ = 64336384.

The previous prime is 166652543. The next prime is 166652561. The reversal of 166652560 is 65256661.

It can be written as a sum of positive squares in 6 ways, for example, as 345744 + 166306816 = 588^2 + 12896^2 .

It is not an unprimeable number, because it can be changed into a prime (166652561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66042 + ... + 68518.

Almost surely, 2^166652560 is an apocalyptic number.

166652560 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 166652560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200725434).

166652560 is an abundant number, since it is smaller than the sum of its proper divisors (234798308).

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

166652560 is a wasteful number, since it uses less digits than its factorization.

166652560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 2513 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 166652560 is about 12909.3981269461. The cubic root of 166652560 is about 550.3056813153.

The spelling of 166652560 in words is "one hundred sixty-six million, six hundred fifty-two thousand, five hundred sixty".