616242023050165 has 4 divisors (see below), whose sum is σ = 739490427660204. Its totient is φ = 492993618440128.

The previous prime is 616242023050109. The next prime is 616242023050177. The reversal of 616242023050165 is 561050320242616.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 375581376726084 + 240660646324081 = 19379922^2 + 15513241^2 .

It is a cyclic number.

It is not a de Polignac number, because 616242023050165 - 2¹³ = 616242023041973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61624202305012 + ... + 61624202305021.

It is an arithmetic number, because the mean of its divisors is an integer number (184872606915051).

Almost surely, 2^{616242023050165} is an apocalyptic number.

It is an amenable number.

616242023050165 is a deficient number, since it is larger than the sum of its proper divisors (123248404610039).

616242023050165 is a wasteful number, since it uses less digits than its factorization.

616242023050165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123248404610038.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 616242023050165 in words is "six hundred sixteen trillion, two hundred forty-two billion, twenty-three million, fifty thousand, one hundred sixty-five".