8385158061665 has 16 divisors (see below), whose sum is σ = 12545067646080. Its totient is φ = 5227111518720.

The previous prime is 8385158061659. The next prime is 8385158061677. The reversal of 8385158061665 is 5661608515838.

It is a happy number.

It is not a de Polignac number, because 8385158061665 - 2¹⁴ = 8385158045281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8385158061598 and 8385158061607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10889815280 + ... + 10889816049.

It is an arithmetic number, because the mean of its divisors is an integer number (784066727880).

Almost surely, 2^{8385158061665} is an apocalyptic number.

It is an amenable number.

8385158061665 is a deficient number, since it is larger than the sum of its proper divisors (4159909584415).

8385158061665 is a wasteful number, since it uses less digits than its factorization.

8385158061665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21779631352.

The product of its (nonzero) digits is 41472000, while the sum is 62.

The spelling of 8385158061665 in words is "eight trillion, three hundred eighty-five billion, one hundred fifty-eight million, sixty-one thousand, six hundred sixty-five".