80992160 has 24 divisors (see below), whose sum is σ = 191344356. Its totient is φ = 32396800.

The previous prime is 80992159. The next prime is 80992169. The reversal of 80992160 is 6129908.

It can be written as a sum of positive squares in 2 ways, for example, as 78074896 + 2917264 = 8836^2 + 1708^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80992160.

It is not an unprimeable number, because it can be changed into a prime (80992169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252941 + ... + 253260.

Almost surely, 2^80992160 is an apocalyptic number.

80992160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80992160 is an abundant number, since it is smaller than the sum of its proper divisors (110352196).

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

80992160 is a wasteful number, since it uses less digits than its factorization.

80992160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506216 (or 506208 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 80992160 is about 8999.5644339046. The cubic root of 80992160 is about 432.6609110904.

The spelling of 80992160 in words is "eighty million, nine hundred ninety-two thousand, one hundred sixty".