166602244 has 24 divisors (see below), whose sum is σ = 309105720. Its totient is φ = 78299136.

The previous prime is 166602239. The next prime is 166602257. The reversal of 166602244 is 442206661.

It can be written as a sum of positive squares in 4 ways, for example, as 101606400 + 64995844 = 10080^2 + 8062^2 .

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, 87252 + ... + 89140.

It is an arithmetic number, because the mean of its divisors is an integer number (12879405).

Almost surely, 2^166602244 is an apocalyptic number.

It is an amenable number.

166602244 is a deficient number, since it is larger than the sum of its proper divisors (142503476).

166602244 is a wasteful number, since it uses less digits than its factorization.

166602244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207 (or 3205 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 166602244 is about 12907.4491670508. The cubic root of 166602244 is about 550.2502926917.

The spelling of 166602244 in words is "one hundred sixty-six million, six hundred two thousand, two hundred forty-four".