80942530656 has 96 divisors (see below), whose sum is σ = 236199656448. Its totient is φ = 24101982720.

The previous prime is 80942530651. The next prime is 80942530673. The reversal of 80942530656 is 65603524908.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80942530651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007406 + ... + 1084781.

It is an arithmetic number, because the mean of its divisors is an integer number (2460413088).

Almost surely, 2^80942530656 is an apocalyptic number.

It is an amenable number.

80942530656 is an abundant number, since it is smaller than the sum of its proper divisors (155257125792).

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

80942530656 is a wasteful number, since it uses less digits than its factorization.

80942530656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092244 (or 2092236 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 80942530656 in words is "eighty billion, nine hundred forty-two million, five hundred thirty thousand, six hundred fifty-six".