60724803661 has 2 divisors, whose sum is σ = 60724803662. Its totient is φ = 60724803660.

The previous prime is 60724803647. The next prime is 60724803683. The reversal of 60724803661 is 16630842706.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44434110436 + 16290693225 = 210794^2 + 127635^2 .

It is a cyclic number.

It is not a de Polignac number, because 60724803661 - 2¹⁹ = 60724279373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60724803361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30362401830 + 30362401831.

It is an arithmetic number, because the mean of its divisors is an integer number (30362401831).

Almost surely, 2^60724803661 is an apocalyptic number.

It is an amenable number.

60724803661 is a deficient number, since it is larger than the sum of its proper divisors (1).

60724803661 is an equidigital number, since it uses as much as digits as its factorization.

60724803661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 60724803661 in words is "sixty billion, seven hundred twenty-four million, eight hundred three thousand, six hundred sixty-one".