80018016 has 96 divisors (see below), whose sum is σ = 228882528. Its totient is φ = 24330240.

The previous prime is 80018011. The next prime is 80018021. The reversal of 80018016 is 61081008.

It is an interprime number because it is at equal distance from previous prime (80018011) and next prime (80018021).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80018011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120726 + ... + 121386.

It is an arithmetic number, because the mean of its divisors is an integer number (2384193).

Almost surely, 2^80018016 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 80018016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114441264).

80018016 is an abundant number, since it is smaller than the sum of its proper divisors (148864512).

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

80018016 is a wasteful number, since it uses less digits than its factorization.

80018016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 80018016 is about 8945.2789783215. The cubic root of 80018016 is about 430.9192808248.

The spelling of 80018016 in words is "eighty million, eighteen thousand, sixteen".