80018064 has 160 divisors (see below), whose sum is σ = 268554240. Its totient is φ = 22336128.

The previous prime is 80018053. The next prime is 80018069. The reversal of 80018064 is 46081008.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80018069) 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, 141847 + ... + 142409.

It is an arithmetic number, because the mean of its divisors is an integer number (1678464).

Almost surely, 2^80018064 is an apocalyptic number.

80018064 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80018064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134277120).

80018064 is an abundant number, since it is smaller than the sum of its proper divisors (188536176).

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

80018064 is a wasteful number, since it uses less digits than its factorization.

80018064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 80018064 is about 8945.2816613006. The cubic root of 80018064 is about 430.9193669892.

The spelling of 80018064 in words is "eighty million, eighteen thousand, sixty-four".