165613215653014 has 48 divisors (see below), whose sum is σ = 264629668008960. Its totient is φ = 77718114714240.

The previous prime is 165613215653003. The next prime is 165613215653023. The reversal of 165613215653014 is 410356512316561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376380067 + ... + 376819825.

It is an arithmetic number, because the mean of its divisors is an integer number (5513118083520).

Almost surely, 2^{165613215653014} is an apocalyptic number.

165613215653014 is a deficient number, since it is larger than the sum of its proper divisors (99016452355946).

165613215653014 is a wasteful number, since it uses less digits than its factorization.

165613215653014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441613 (or 441596 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 49.

Adding to 165613215653014 its reverse (410356512316561), we get a palindrome (575969727969575).

The spelling of 165613215653014 in words is "one hundred sixty-five trillion, six hundred thirteen billion, two hundred fifteen million, six hundred fifty-three thousand, fourteen".