80638416 has 100 divisors (see below), whose sum is σ = 238983712. Its totient is φ = 26236224.

The previous prime is 80638351. The next prime is 80638433. The reversal of 80638416 is 61483608.

It is a happy number.

80638416 is a `hidden beast` number, since 8 + 0 + 638 + 4 + 16 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 55005 + ... + 56451.

Almost surely, 2^80638416 is an apocalyptic number.

80638416 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80638416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119491856).

80638416 is an abundant number, since it is smaller than the sum of its proper divisors (158345296).

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

80638416 is a wasteful number, since it uses less digits than its factorization.

80638416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1495 counting only the distinct ones).

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

The square root of 80638416 is about 8979.8895316145. The cubic root of 80638416 is about 432.0300904966.

The spelling of 80638416 in words is "eighty million, six hundred thirty-eight thousand, four hundred sixteen".