166012016 has 10 divisors (see below), whose sum is σ = 321648312. Its totient is φ = 83006000.

The previous prime is 166011991. The next prime is 166012019. The reversal of 166012016 is 610210661.

It is a junction number, because it is equal to n+sod(n) for n = 166011982 and 166012000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166012019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5187860 + ... + 5187891.

Almost surely, 2^166012016 is an apocalyptic number.

166012016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166012016 is a deficient number, since it is larger than the sum of its proper divisors (155636296).

166012016 is a wasteful number, since it uses less digits than its factorization.

166012016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10375759 (or 10375753 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 166012016 is about 12884.5650295227. The cubic root of 166012016 is about 549.5997263943.

Adding to 166012016 its reverse (610210661), we get a palindrome (776222677).

The spelling of 166012016 in words is "one hundred sixty-six million, twelve thousand, sixteen".