80331010656 has 144 divisors (see below), whose sum is σ = 241769770704. Its totient is φ = 23263199232.

The previous prime is 80331010649. The next prime is 80331010667. The reversal of 80331010656 is 65601013308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130180 + ... + 421436.

It is an arithmetic number, because the mean of its divisors is an integer number (1678956741).

Almost surely, 2^80331010656 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 80331010656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120884885352).

80331010656 is an abundant number, since it is smaller than the sum of its proper divisors (161438760048).

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

80331010656 is a wasteful number, since it uses less digits than its factorization.

80331010656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291313 (or 291292 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 80331010656 in words is "eighty billion, three hundred thirty-one million, ten thousand, six hundred fifty-six".