60543222661 has 4 divisors (see below), whose sum is σ = 60674553324. Its totient is φ = 60411892000.

The previous prime is 60543222659. The next prime is 60543222679. The reversal of 60543222661 is 16622234506.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37556114436 + 22987108225 = 193794^2 + 151615^2 .

It is a cyclic number.

It is not a de Polignac number, because 60543222661 - 2¹ = 60543222659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60543222661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60543222461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65664640 + ... + 65665561.

It is an arithmetic number, because the mean of its divisors is an integer number (15168638331).

Almost surely, 2^60543222661 is an apocalyptic number.

It is an amenable number.

60543222661 is a deficient number, since it is larger than the sum of its proper divisors (131330663).

60543222661 is a wasteful number, since it uses less digits than its factorization.

60543222661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131330662.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 60543222661 in words is "sixty billion, five hundred forty-three million, two hundred twenty-two thousand, six hundred sixty-one".