2012166516 has 24 divisors (see below), whose sum is σ = 4705208704. Its totient is φ = 669271680.

The previous prime is 2012166463. The next prime is 2012166521. The reversal of 2012166516 is 6156612102.

It is a super-2 number, since 2×2012166516² = 8097628176223156512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175525 + ... + 186636.

Almost surely, 2^2012166516 is an apocalyptic number.

It is an amenable number.

2012166516 is an abundant number, since it is smaller than the sum of its proper divisors (2693042188).

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

2012166516 is a wasteful number, since it uses less digits than its factorization.

2012166516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362631 (or 362629 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 2012166516 is about 44857.1790909772. The cubic root of 2012166516 is about 1262.4706950816.

Adding to 2012166516 its reverse (6156612102), we get a palindrome (8168778618).

The spelling of 2012166516 in words is "two billion, twelve million, one hundred sixty-six thousand, five hundred sixteen".