80765183814646 has 16 divisors (see below), whose sum is σ = 122569652344176. Its totient is φ = 39911230068736.

The previous prime is 80765183814607. The next prime is 80765183814647. The reversal of 80765183814646 is 64641838156708.

It is a super-2 number, since 2×80765183814646² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80765183814647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649196491 + ... + 649320886.

It is an arithmetic number, because the mean of its divisors is an integer number (7660603271511).

Almost surely, 2^{80765183814646} is an apocalyptic number.

80765183814646 is a deficient number, since it is larger than the sum of its proper divisors (41804468529530).

80765183814646 is a wasteful number, since it uses less digits than its factorization.

80765183814646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298517743.

The product of its (nonzero) digits is 185794560, while the sum is 67.

The spelling of 80765183814646 in words is "eighty trillion, seven hundred sixty-five billion, one hundred eighty-three million, eight hundred fourteen thousand, six hundred forty-six".