80143668 has 120 divisors (see below), whose sum is σ = 231739200. Its totient is φ = 23950080.

The previous prime is 80143639. The next prime is 80143669. The reversal of 80143668 is 86634108.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80143669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 402633 + ... + 402831.

It is an arithmetic number, because the mean of its divisors is an integer number (1931160).

Almost surely, 2^80143668 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 80143668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115869600).

80143668 is an abundant number, since it is smaller than the sum of its proper divisors (151595532).

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

80143668 is a wasteful number, since it uses less digits than its factorization.

80143668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 80143668 is about 8952.2995928421. The cubic root of 80143668 is about 431.1447198579.

The spelling of 80143668 in words is "eighty million, one hundred forty-three thousand, six hundred sixty-eight".