80660116 has 12 divisors (see below), whose sum is σ = 141936340. Its totient is φ = 40106880.

The previous prime is 80660101. The next prime is 80660119. The reversal of 80660116 is 61106608.

It can be written as a sum of positive squares in 2 ways, for example, as 12531600 + 68128516 = 3540^2 + 8254^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80660119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54981 + ... + 56428.

Almost surely, 2^80660116 is an apocalyptic number.

It is an amenable number.

80660116 is a deficient number, since it is larger than the sum of its proper divisors (61276224).

80660116 is a wasteful number, since it uses less digits than its factorization.

80660116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111594 (or 111592 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 80660116 is about 8981.0977057373. The cubic root of 80660116 is about 432.0688404812.

The spelling of 80660116 in words is "eighty million, six hundred sixty thousand, one hundred sixteen".