166363156 has 12 divisors (see below), whose sum is σ = 308261268. Its totient is φ = 78288512.

The previous prime is 166363133. The next prime is 166363157. The reversal of 166363156 is 651363661.

It can be written as a sum of positive squares in 2 ways, for example, as 72931600 + 93431556 = 8540^2 + 9666^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166363157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223191 + ... + 1223326.

It is an arithmetic number, because the mean of its divisors is an integer number (25688439).

Almost surely, 2^166363156 is an apocalyptic number.

It is an amenable number.

166363156 is a deficient number, since it is larger than the sum of its proper divisors (141898112).

166363156 is a wasteful number, since it uses less digits than its factorization.

166363156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446538 (or 2446536 counting only the distinct ones).

The product of its digits is 58320, while the sum is 37.

The square root of 166363156 is about 12898.1842132914. The cubic root of 166363156 is about 549.9869484506.

The spelling of 166363156 in words is "one hundred sixty-six million, three hundred sixty-three thousand, one hundred fifty-six".