41664436545 has 16 divisors (see below), whose sum is σ = 66714766272. Its totient is φ = 22203810240.

The previous prime is 41664436453. The next prime is 41664436607. The reversal of 41664436545 is 54563446614.

It is not a de Polignac number, because 41664436545 - 2²⁵ = 41630882113 is a prime.

It is a super-2 number, since 2×41664436545² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41664436494 and 41664436503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1056402 + ... + 1095131.

It is an arithmetic number, because the mean of its divisors is an integer number (4169672892).

Almost surely, 2^41664436545 is an apocalyptic number.

It is an amenable number.

41664436545 is a deficient number, since it is larger than the sum of its proper divisors (25050329727).

41664436545 is a wasteful number, since it uses less digits than its factorization.

41664436545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152832.

The product of its digits is 4147200, while the sum is 48.

The spelling of 41664436545 in words is "forty-one billion, six hundred sixty-four million, four hundred thirty-six thousand, five hundred forty-five".