60215145661 has 16 divisors (see below), whose sum is σ = 66948393600. Its totient is φ = 53701704000.

The previous prime is 60215145637. The next prime is 60215145677. The reversal of 60215145661 is 16654151206.

It is a cyclic number.

It is not a de Polignac number, because 60215145661 - 2⁹ = 60215145149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60215145661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60215145611) by changing a digit.

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, 127521 + ... + 369718.

It is an arithmetic number, because the mean of its divisors is an integer number (4184274600).

Almost surely, 2^60215145661 is an apocalyptic number.

It is an amenable number.

60215145661 is a deficient number, since it is larger than the sum of its proper divisors (6733247939).

60215145661 is a wasteful number, since it uses less digits than its factorization.

60215145661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497460.

The product of its (nonzero) digits is 43200, while the sum is 37.

Adding to 60215145661 its reverse (16654151206), we get a palindrome (76869296867).

The spelling of 60215145661 in words is "sixty billion, two hundred fifteen million, one hundred forty-five thousand, six hundred sixty-one".