80411616 has 108 divisors (see below), whose sum is σ = 238073472. Its totient is φ = 26733888.

The previous prime is 80411593. The next prime is 80411621. The reversal of 80411616 is 61611408.

80411616 is a `hidden beast` number, since 8 + 0 + 41 + 1 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (108).

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

It is a self number, because there is not a number n which added to its sum of digits gives 80411616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 209761 + ... + 210143.

It is an arithmetic number, because the mean of its divisors is an integer number (2204384).

Almost surely, 2^80411616 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 80411616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119036736).

80411616 is an abundant number, since it is smaller than the sum of its proper divisors (157661856).

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

80411616 is an frugal number, since it uses more digits than its factorization.

80411616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 80411616 is about 8967.2524220075. The cubic root of 80411616 is about 431.6246740074.

The spelling of 80411616 in words is "eighty million, four hundred eleven thousand, six hundred sixteen".