18060597577 has 6 divisors (see below), whose sum is σ = 19851731354. Its totient is φ = 16418724960.

The previous prime is 18060597491. The next prime is 18060597587. The reversal of 18060597577 is 77579506081.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17610351616 + 450245961 = 132704^2 + 21219^2 .

It is not a de Polignac number, because 18060597577 - 2¹¹ = 18060595529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18060597587) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74630448 + ... + 74630689.

Almost surely, 2^18060597577 is an apocalyptic number.

It is an amenable number.

18060597577 is a deficient number, since it is larger than the sum of its proper divisors (1791133777).

18060597577 is a wasteful number, since it uses less digits than its factorization.

18060597577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149261159 (or 149261148 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 55.

The spelling of 18060597577 in words is "eighteen billion, sixty million, five hundred ninety-seven thousand, five hundred seventy-seven".