72416170316645 has 64 divisors (see below), whose sum is σ = 89896454000640. Its totient is φ = 55978174137600.

The previous prime is 72416170316549. The next prime is 72416170316647. The reversal of 72416170316645 is 54661307161427.

It is a de Polignac number, because none of the positive numbers 2^k-72416170316645 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72416170316647) 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 63 ways as a sum of consecutive naturals, for example, 7009594130 + ... + 7009604460.

It is an arithmetic number, because the mean of its divisors is an integer number (1404632093760).

Almost surely, 2^{72416170316645} is an apocalyptic number.

It is an amenable number.

72416170316645 is a deficient number, since it is larger than the sum of its proper divisors (17480283683995).

72416170316645 is a wasteful number, since it uses less digits than its factorization.

72416170316645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12186.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 72416170316645 in words is "seventy-two trillion, four hundred sixteen billion, one hundred seventy million, three hundred sixteen thousand, six hundred forty-five".