80966426116 has 27 divisors (see below), whose sum is σ = 150534293119. Its totient is φ = 38097294848.

The previous prime is 80966426089. The next prime is 80966426143. The reversal of 80966426116 is 61162466908.

The square root of 80966426116 is 284546.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (80966426089) and next prime (80966426143).

It can be written as a sum of positive squares in 4 ways, for example, as 20497648900 + 60468777216 = 143170^2 + 245904^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80966426116.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9670380 + ... + 9678748.

Almost surely, 2^80966426116 is an apocalyptic number.

80966426116 is the 284546-th square number.

It is an amenable number.

80966426116 is a deficient number, since it is larger than the sum of its proper divisors (69567867003).

80966426116 is an frugal number, since it uses more digits than its factorization.

80966426116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16776 (or 8388 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

Multiplying 80966426116 by its sum of digits (49), we get a square (3967354879684 = 1991822²).

The spelling of 80966426116 in words is "eighty billion, nine hundred sixty-six million, four hundred twenty-six thousand, one hundred sixteen".