166850552 has 64 divisors (see below), whose sum is σ = 364435200. Its totient is φ = 70813440.

The previous prime is 166850531. The next prime is 166850599. The reversal of 166850552 is 255058661.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121373 + ... + 122739.

It is an arithmetic number, because the mean of its divisors is an integer number (5694300).

Almost surely, 2^166850552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166850552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182217600).

166850552 is an abundant number, since it is smaller than the sum of its proper divisors (197584648).

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

166850552 is a wasteful number, since it uses less digits than its factorization.

166850552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1472 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 166850552 is about 12917.0643723719. The cubic root of 166850552 is about 550.5235257585.

The spelling of 166850552 in words is "one hundred sixty-six million, eight hundred fifty thousand, five hundred fifty-two".