166053606 has 16 divisors (see below), whose sum is σ = 346546944. Its totient is φ = 52944584.

The previous prime is 166053557. The next prime is 166053607. The reversal of 166053606 is 606350661.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166053607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601506 + ... + 601781.

It is an arithmetic number, because the mean of its divisors is an integer number (21659184).

Almost surely, 2^166053606 is an apocalyptic number.

166053606 is an abundant number, since it is smaller than the sum of its proper divisors (180493338).

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

166053606 is a wasteful number, since it uses less digits than its factorization.

166053606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203315.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 166053606 is about 12886.1788750583. The cubic root of 166053606 is about 549.6456185424.

The spelling of 166053606 in words is "one hundred sixty-six million, fifty-three thousand, six hundred six".