60566738217761 has 4 divisors (see below), whose sum is σ = 60566884091952. Its totient is φ = 60566592343572.

The previous prime is 60566738217757. The next prime is 60566738217851. The reversal of 60566738217761 is 16771283766506.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60566738217761 - 2² = 60566738217757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60566738217061) 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, 72312515 + ... + 73145288.

It is an arithmetic number, because the mean of its divisors is an integer number (15141721022988).

Almost surely, 2^{60566738217761} is an apocalyptic number.

It is an amenable number.

60566738217761 is a deficient number, since it is larger than the sum of its proper divisors (145874191).

60566738217761 is a wasteful number, since it uses less digits than its factorization.

60566738217761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145874190.

The product of its (nonzero) digits is 106686720, while the sum is 65.

The spelling of 60566738217761 in words is "sixty trillion, five hundred sixty-six billion, seven hundred thirty-eight million, two hundred seventeen thousand, seven hundred sixty-one".