80166996 has 120 divisors (see below), whose sum is σ = 258030080. Its totient is φ = 21135168.

The previous prime is 80166973. The next prime is 80167001. The reversal of 80166996 is 69966108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 28125 + ... + 30843.

Almost surely, 2^80166996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80166996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129015040).

80166996 is an abundant number, since it is smaller than the sum of its proper divisors (177863084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80166996 is a wasteful number, since it uses less digits than its factorization.

80166996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755 (or 2744 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 80166996 is about 8953.6024035022. The cubic root of 80166996 is about 431.1865479423.

The spelling of 80166996 in words is "eighty million, one hundred sixty-six thousand, nine hundred ninety-six".