80181486 has 192 divisors, whose sum is σ = 237758976. Its totient is φ = 18892800.

The previous prime is 80181481. The next prime is 80181487. The reversal of 80181486 is 68418108.

It is a self number, because there is not a number n which added to its sum of digits gives 80181486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80181481) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 966001 + ... + 966083.

It is an arithmetic number, because the mean of its divisors is an integer number (1238328).

Almost surely, 2^80181486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80181486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118879488).

80181486 is an abundant number, since it is smaller than the sum of its proper divisors (157577490).

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

80181486 is a wasteful number, since it uses less digits than its factorization.

80181486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 80181486 is about 8954.4115384541. The cubic root of 80181486 is about 431.2125250360.

The spelling of 80181486 in words is "eighty million, one hundred eighty-one thousand, four hundred eighty-six".