166015116 has 24 divisors (see below), whose sum is σ = 430409840. Its totient is φ = 55338336.

The previous prime is 166015051. The next prime is 166015117. The reversal of 166015116 is 611510661.

166015116 is a `hidden beast` number, since 1 + 6 + 601 + 51 + 1 + 6 = 666.

It is a super-2 number, since 2×166015116² = 55122037480986912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 166015116.

It is not an unprimeable number, because it can be changed into a prime (166015117) 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, 768481 + ... + 768696.

Almost surely, 2^166015116 is an apocalyptic number.

It is an amenable number.

166015116 is an abundant number, since it is smaller than the sum of its proper divisors (264394724).

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

166015116 is a wasteful number, since it uses less digits than its factorization.

166015116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537190 (or 1537182 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 166015116 is about 12884.6853279387. The cubic root of 166015116 is about 549.6031473285.

Adding to 166015116 its reverse (611510661), we get a palindrome (777525777).

The spelling of 166015116 in words is "one hundred sixty-six million, fifteen thousand, one hundred sixteen".