166011562 has 32 divisors (see below), whose sum is σ = 281584512. Its totient is φ = 72973824.

The previous prime is 166011557. The next prime is 166011623. The reversal of 166011562 is 265110661.

It is a self number, because there is not a number n which added to its sum of digits gives 166011562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31158 + ... + 36094.

It is an arithmetic number, because the mean of its divisors is an integer number (8799516).

Almost surely, 2^166011562 is an apocalyptic number.

166011562 is a deficient number, since it is larger than the sum of its proper divisors (115572950).

166011562 is a wasteful number, since it uses less digits than its factorization.

166011562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 166011562 is about 12884.5474115314. The cubic root of 166011562 is about 549.5992253894.

Subtracting 166011562 from its reverse (265110661), we obtain a palindrome (99099099).

The spelling of 166011562 in words is "one hundred sixty-six million, eleven thousand, five hundred sixty-two".