166016136 has 144 divisors (see below), whose sum is σ = 498448080. Its totient is φ = 45676800.

The previous prime is 166016117. The next prime is 166016143. The reversal of 166016136 is 631610661.

It is a super-2 number, since 2×166016136² = 55122714824740992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2721546 + ... + 2721606.

It is an arithmetic number, because the mean of its divisors is an integer number (3461445).

Almost surely, 2^166016136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166016136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249224040).

166016136 is an abundant number, since it is smaller than the sum of its proper divisors (332431944).

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

166016136 is a wasteful number, since it uses less digits than its factorization.

166016136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 166016136 is about 12884.7249097526. The cubic root of 166016136 is about 549.6042729169.

Adding to 166016136 its reverse (631610661), we get a palindrome (797626797).

The spelling of 166016136 in words is "one hundred sixty-six million, sixteen thousand, one hundred thirty-six".