80154563304165 has 128 divisors (see below), whose sum is σ = 155876660858880. Its totient is φ = 34355155968000.

The previous prime is 80154563304161. The next prime is 80154563304169. The reversal of 80154563304165 is 56140336545108.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80154563304161) and next prime (80154563304169).

It is not a de Polignac number, because 80154563304165 - 2² = 80154563304161 is a prime.

It is a super-3 number, since 3×80154563304165³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80154563304161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 477660757 + ... + 477828533.

It is an arithmetic number, because the mean of its divisors is an integer number (1217786412960).

Almost surely, 2^{80154563304165} is an apocalyptic number.

It is an amenable number.

80154563304165 is a deficient number, since it is larger than the sum of its proper divisors (75722097554715).

80154563304165 is a wasteful number, since it uses less digits than its factorization.

80154563304165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170283.

The product of its (nonzero) digits is 5184000, while the sum is 51.

The spelling of 80154563304165 in words is "eighty trillion, one hundred fifty-four billion, five hundred sixty-three million, three hundred four thousand, one hundred sixty-five".