80163700 has 36 divisors (see below), whose sum is σ = 175699692. Its totient is φ = 31744000.

The previous prime is 80163689. The next prime is 80163701. The reversal of 80163700 is 736108.

It can be written as a sum of positive squares in 6 ways, for example, as 18352656 + 61811044 = 4284^2 + 7862^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80163701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6132 + ... + 14068.

It is an arithmetic number, because the mean of its divisors is an integer number (4880547).

Almost surely, 2^80163700 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 80163700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87849846).

80163700 is an abundant number, since it is smaller than the sum of its proper divisors (95535992).

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

80163700 is a wasteful number, since it uses less digits than its factorization.

80163700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8052 (or 8045 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 80163700 is about 8953.4183416168. The cubic root of 80163700 is about 431.1806385681.

Adding to 80163700 its reverse (736108), we get a palindrome (80899808).

The spelling of 80163700 in words is "eighty million, one hundred sixty-three thousand, seven hundred".