80903664145 has 32 divisors (see below), whose sum is σ = 101871820800. Its totient is φ = 61563547584.

The previous prime is 80903664131. The next prime is 80903664151. The reversal of 80903664145 is 54146630908.

It is a cyclic number.

It is not a de Polignac number, because 80903664145 - 2²⁵ = 80870109713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80903664095 and 80903664104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25257114 + ... + 25260316.

It is an arithmetic number, because the mean of its divisors is an integer number (3183494400).

Almost surely, 2^80903664145 is an apocalyptic number.

It is an amenable number.

80903664145 is a deficient number, since it is larger than the sum of its proper divisors (20968156655).

80903664145 is a wasteful number, since it uses less digits than its factorization.

80903664145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389.

The product of its (nonzero) digits is 622080, while the sum is 46.

It can be divided in two parts, 809036 and 64145, that added together give a triangular number (873181 = T₁₃₂₁).

The spelling of 80903664145 in words is "eighty billion, nine hundred three million, six hundred sixty-four thousand, one hundred forty-five".