80966416 has 10 divisors (see below), whose sum is σ = 156872462. Its totient is φ = 40483200.

The previous prime is 80966411. The next prime is 80966419. The reversal of 80966416 is 61466908.

It can be written as a sum of positive squares in only one way, i.e., 49561600 + 31404816 = 7040^2 + 5604^2 .

It is not an unprimeable number, because it can be changed into a prime (80966411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530185 + ... + 2530216.

Almost surely, 2^80966416 is an apocalyptic number.

It is an amenable number.

80966416 is a deficient number, since it is larger than the sum of its proper divisors (75906046).

80966416 is a wasteful number, since it uses less digits than its factorization.

80966416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060409 (or 5060403 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 80966416 is about 8998.1340287862. The cubic root of 80966416 is about 432.6150646659.

The spelling of 80966416 in words is "eighty million, nine hundred sixty-six thousand, four hundred sixteen".