41664061646145 has 48 divisors (see below), whose sum is σ = 72260759301120. Its totient is φ = 22207589889408.

The previous prime is 41664061646111. The next prime is 41664061646147. The reversal of 41664061646145 is 54164616046614.

41664061646145 is a `hidden beast` number, since 4 + 1 + 6 + 6 + 4 + 0 + 6 + 16 + 4 + 614 + 5 = 666.

It is not a de Polignac number, because 41664061646145 - 2¹³ = 41664061637953 is a prime.

It is a super-2 number, since 2×41664061646145² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41664061646091 and 41664061646100.

It is not an unprimeable number, because it can be changed into a prime (41664061646147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 560091624 + ... + 560166006.

It is an arithmetic number, because the mean of its divisors is an integer number (1505432485440).

Almost surely, 2^{41664061646145} is an apocalyptic number.

41664061646145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41664061646145 is a deficient number, since it is larger than the sum of its proper divisors (30596697654975).

41664061646145 is a wasteful number, since it uses less digits than its factorization.

41664061646145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81646 (or 81643 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 41664061646145 in words is "forty-one trillion, six hundred sixty-four billion, sixty-one million, six hundred forty-six thousand, one hundred forty-five".