80416562 has 18 divisors (see below), whose sum is σ = 128482263. Its totient is φ = 37741632.

The previous prime is 80416561. The next prime is 80416601. The reversal of 80416562 is 26561408.

It can be written as a sum of positive squares in 5 ways, for example, as 65431921 + 14984641 = 8089^2 + 3871^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6341.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80416561) 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 8 ways as a sum of consecutive naturals, for example, 215408 + ... + 215780.

Almost surely, 2^80416562 is an apocalyptic number.

80416562 is a deficient number, since it is larger than the sum of its proper divisors (48065701).

80416562 is an equidigital number, since it uses as much as digits as its factorization.

80416562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 80416562 is about 8967.5281990078. The cubic root of 80416562 is about 431.6335233585.

Multiplying 80416562 by its sum of digits (32), we get a square (2573329984 = 50728²).

The spelling of 80416562 in words is "eighty million, four hundred sixteen thousand, five hundred sixty-two".