80566461 has 8 divisors (see below), whose sum is σ = 119357760. Its totient is φ = 53710956.

The previous prime is 80566439. The next prime is 80566483. The reversal of 80566461 is 16466508.

80566461 is a `hidden beast` number, since 8 + 0 + 5 + 6 + 646 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (80566439) and next prime (80566483).

It is not a de Polignac number, because 80566461 - 2⁶ = 80566397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80566411) 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, 1491945 + ... + 1491998.

It is an arithmetic number, because the mean of its divisors is an integer number (14919720).

Almost surely, 2^80566461 is an apocalyptic number.

It is an amenable number.

80566461 is a deficient number, since it is larger than the sum of its proper divisors (38791299).

80566461 is a wasteful number, since it uses less digits than its factorization.

80566461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983952 (or 2983946 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 80566461 is about 8975.8821850557. The cubic root of 80566461 is about 431.9015497105.

The spelling of 80566461 in words is "eighty million, five hundred sixty-six thousand, four hundred sixty-one".