80966177145 has 24 divisors (see below), whose sum is σ = 160390142016. Its totient is φ = 37013109408.

The previous prime is 80966177113. The next prime is 80966177153. The reversal of 80966177145 is 54177166908.

80966177145 is a `hidden beast` number, since 8 + 0 + 9 + 6 + 617 + 7 + 14 + 5 = 666.

It is not a de Polignac number, because 80966177145 - 2⁵ = 80966177113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80966177091 and 80966177100.

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, 128517427 + ... + 128518056.

It is an arithmetic number, because the mean of its divisors is an integer number (6682922584).

Almost surely, 2^80966177145 is an apocalyptic number.

It is an amenable number.

80966177145 is a deficient number, since it is larger than the sum of its proper divisors (79423964871).

80966177145 is a wasteful number, since it uses less digits than its factorization.

80966177145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257035501 (or 257035498 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 80966177145 in words is "eighty billion, nine hundred sixty-six million, one hundred seventy-seven thousand, one hundred forty-five".