80646496 has 48 divisors (see below), whose sum is σ = 184905504. Its totient is φ = 33905664.

The previous prime is 80646463. The next prime is 80646497. The reversal of 80646496 is 69464608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80646497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8476 + ... + 15268.

It is an arithmetic number, because the mean of its divisors is an integer number (3852198).

Almost surely, 2^80646496 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 80646496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92452752).

80646496 is an abundant number, since it is smaller than the sum of its proper divisors (104259008).

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

80646496 is a wasteful number, since it uses less digits than its factorization.

80646496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6863 (or 6855 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 80646496 is about 8980.3394145210. The cubic root of 80646496 is about 432.0445198746.

The spelling of 80646496 in words is "eighty million, six hundred forty-six thousand, four hundred ninety-six".