166355012 has 12 divisors (see below), whose sum is σ = 291595920. Its totient is φ = 83041896.

The previous prime is 166355009. The next prime is 166355053. The reversal of 166355012 is 210553661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31118 + ... + 36069.

It is an arithmetic number, because the mean of its divisors is an integer number (24299660).

Almost surely, 2^166355012 is an apocalyptic number.

It is an amenable number.

166355012 is a deficient number, since it is larger than the sum of its proper divisors (125240908).

166355012 is a wasteful number, since it uses less digits than its factorization.

166355012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67810 (or 67808 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 166355012 is about 12897.8685060749. The cubic root of 166355012 is about 549.9779737736.

The spelling of 166355012 in words is "one hundred sixty-six million, three hundred fifty-five thousand, twelve".