242170052758665 has 32 divisors (see below), whose sum is σ = 397964195533056. Its totient is φ = 125660340092160.

The previous prime is 242170052758553. The next prime is 242170052758687. The reversal of 242170052758665 is 566857250071242.

It is a happy number.

It is not a de Polignac number, because 242170052758665 - 2⁸ = 242170052758409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242170052758599 and 242170052758608.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216735 + ... + 22008795.

It is an arithmetic number, because the mean of its divisors is an integer number (12436381110408).

Almost surely, 2^{242170052758665} is an apocalyptic number.

It is an amenable number.

242170052758665 is a deficient number, since it is larger than the sum of its proper divisors (155794142774391).

242170052758665 is a wasteful number, since it uses less digits than its factorization.

242170052758665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21812129.

The product of its (nonzero) digits is 56448000, while the sum is 60.

The spelling of 242170052758665 in words is "two hundred forty-two trillion, one hundred seventy billion, fifty-two million, seven hundred fifty-eight thousand, six hundred sixty-five".