80537506703640 has 96 divisors (see below), whose sum is σ = 299139310622880. Its totient is φ = 18408572960256.

The previous prime is 80537506703539. The next prime is 80537506703671. The reversal of 80537506703640 is 4630760573508.

80537506703640 is a `hidden beast` number, since 8 + 0 + 5 + 3 + 7 + 506 + 70 + 3 + 64 + 0 = 666.

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, 15979661509 + ... + 15979666548.

It is an arithmetic number, because the mean of its divisors is an integer number (3116034485655).

Almost surely, 2^{80537506703640} is an apocalyptic number.

It is an amenable number.

80537506703640 is an abundant number, since it is smaller than the sum of its proper divisors (218601803919240).

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

80537506703640 is a wasteful number, since it uses less digits than its factorization.

80537506703640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31959328081 (or 31959328074 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 54.

The spelling of 80537506703640 in words is "eighty trillion, five hundred thirty-seven billion, five hundred six million, seven hundred three thousand, six hundred forty".