80162140 has 48 divisors (see below), whose sum is σ = 187639200. Its totient is φ = 28588032.

The previous prime is 80162111. The next prime is 80162161. The reversal of 80162140 is 4126108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256 + ... + 12664.

It is an arithmetic number, because the mean of its divisors is an integer number (3909150).

Almost surely, 2^80162140 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 80162140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93819600).

80162140 is an abundant number, since it is smaller than the sum of its proper divisors (107477060).

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

80162140 is a wasteful number, since it uses less digits than its factorization.

80162140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12454 (or 12452 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 80162140 is about 8953.3312236284. The cubic root of 80162140 is about 431.1778415991.

Adding to 80162140 its reverse (4126108), we get a palindrome (84288248).

The spelling of 80162140 in words is "eighty million, one hundred sixty-two thousand, one hundred forty".