80998164 has 96 divisors (see below), whose sum is σ = 233569280. Its totient is φ = 24105600.

The previous prime is 80998163. The next prime is 80998171. The reversal of 80998164 is 46189908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80998163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42594 + ... + 44454.

Almost surely, 2^80998164 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 80998164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116784640).

80998164 is an abundant number, since it is smaller than the sum of its proper divisors (152571116).

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

80998164 is a wasteful number, since it uses less digits than its factorization.

80998164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918 (or 1910 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 80998164 is about 8999.8979994220. The cubic root of 80998164 is about 432.6716019685.

The spelling of 80998164 in words is "eighty million, nine hundred ninety-eight thousand, one hundred sixty-four".