80216906 has 16 divisors (see below), whose sum is σ = 150016320. Its totient is φ = 31253280.

The previous prime is 80216867. The next prime is 80216909. The reversal of 80216906 is 60961208.

It is not an unprimeable number, because it can be changed into a prime (80216909) 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, 260291 + ... + 260598.

It is an arithmetic number, because the mean of its divisors is an integer number (9376020).

Almost surely, 2^80216906 is an apocalyptic number.

80216906 is a deficient number, since it is larger than the sum of its proper divisors (69799414).

80216906 is a wasteful number, since it uses less digits than its factorization.

80216906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520909.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 80216906 is about 8956.3891161561. The cubic root of 80216906 is about 431.2760114255.

The spelling of 80216906 in words is "eighty million, two hundred sixteen thousand, nine hundred six".